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Finding the Fourth Proportional to 607,121.10, 910,098.45 and 472,110.30

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Solution

The fourth proportional to 607,121.10, 910,098.45 and 472,110.30 is: 707,711.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,121.10 : 910,098.45 = 472,110.30 : x
  2. Step 2: Convert to fraction form
    607,121.10/910,098.45 = 472,110.30/x
  3. Step 3: Cross multiply
    607,121.10x = 910,098.45 × 472,110.30
  4. Step 4: Simplify right side
    607,121.10x = 429,666,852,259.04
  5. Step 5: Solve for x
    x = 429,666,852,259.04/607,121.10
  6. Step 6: Final answer
    x = 707,711.94

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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.