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Finding the Fourth Proportional to 622,887.10, 934,330.65 and 616,982.20

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Solution

The fourth proportional to 622,887.10, 934,330.65 and 616,982.20 is: 925,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,887.10 : 934,330.65 = 616,982.20 : x
  2. Step 2: Convert to fraction form
    622,887.10/934,330.65 = 616,982.20/x
  3. Step 3: Cross multiply
    622,887.10x = 934,330.65 × 616,982.20
  4. Step 4: Simplify right side
    622,887.10x = 576,465,379,964.43
  5. Step 5: Solve for x
    x = 576,465,379,964.43/622,887.10
  6. Step 6: Final answer
    x = 925,473.30

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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.