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Finding the Fourth Proportional to 536,008.40, 804,012.60 and 256,072.40

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Solution

The fourth proportional to 536,008.40, 804,012.60 and 256,072.40 is: 384,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,008.40 : 804,012.60 = 256,072.40 : x
  2. Step 2: Convert to fraction form
    536,008.40/804,012.60 = 256,072.40/x
  3. Step 3: Cross multiply
    536,008.40x = 804,012.60 × 256,072.40
  4. Step 4: Simplify right side
    536,008.40x = 205,885,436,112.24
  5. Step 5: Solve for x
    x = 205,885,436,112.24/536,008.40
  6. Step 6: Final answer
    x = 384,108.60

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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.