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Finding the Fourth Proportional to 536,431.60, 804,647.40 and 480,444.40

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Solution

The fourth proportional to 536,431.60, 804,647.40 and 480,444.40 is: 720,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,431.60 : 804,647.40 = 480,444.40 : x
  2. Step 2: Convert to fraction form
    536,431.60/804,647.40 = 480,444.40/x
  3. Step 3: Cross multiply
    536,431.60x = 804,647.40 × 480,444.40
  4. Step 4: Simplify right side
    536,431.60x = 386,588,337,304.56
  5. Step 5: Solve for x
    x = 386,588,337,304.56/536,431.60
  6. Step 6: Final answer
    x = 720,666.60

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Half scale
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Double scale
Find fourth proportional to 536,432.60, 804,648.90 and 480,445.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.