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Finding the Fourth Proportional to 622,902.10, 934,353.15 and 616,997.20

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Solution

The fourth proportional to 622,902.10, 934,353.15 and 616,997.20 is: 925,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,902.10 : 934,353.15 = 616,997.20 : x
  2. Step 2: Convert to fraction form
    622,902.10/934,353.15 = 616,997.20/x
  3. Step 3: Cross multiply
    622,902.10x = 934,353.15 × 616,997.20
  4. Step 4: Simplify right side
    622,902.10x = 576,493,277,361.18
  5. Step 5: Solve for x
    x = 576,493,277,361.18/622,902.10
  6. Step 6: Final answer
    x = 925,495.80

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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.