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Finding the Fourth Proportional to 536,609.60, 804,914.40 and 480,622.40

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Solution

The fourth proportional to 536,609.60, 804,914.40 and 480,622.40 is: 720,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,609.60 : 804,914.40 = 480,622.40 : x
  2. Step 2: Convert to fraction form
    536,609.60/804,914.40 = 480,622.40/x
  3. Step 3: Cross multiply
    536,609.60x = 804,914.40 × 480,622.40
  4. Step 4: Simplify right side
    536,609.60x = 386,859,890,722.56
  5. Step 5: Solve for x
    x = 386,859,890,722.56/536,609.60
  6. Step 6: Final answer
    x = 720,933.60

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Double scale
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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.