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Finding the Fourth Proportional to 551,331.30, 826,996.95 and 416,612.10

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Solution

The fourth proportional to 551,331.30, 826,996.95 and 416,612.10 is: 624,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,331.30 : 826,996.95 = 416,612.10 : x
  2. Step 2: Convert to fraction form
    551,331.30/826,996.95 = 416,612.10/x
  3. Step 3: Cross multiply
    551,331.30x = 826,996.95 × 416,612.10
  4. Step 4: Simplify right side
    551,331.30x = 344,536,936,033.10
  5. Step 5: Solve for x
    x = 344,536,936,033.10/551,331.30
  6. Step 6: Final answer
    x = 624,918.15

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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.