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Finding the Fourth Proportional to 442,073.10, 610,060.80 and 240,869.10

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Solution

The fourth proportional to 442,073.10, 610,060.80 and 240,869.10 is: 332,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,073.10 : 610,060.80 = 240,869.10 : x
  2. Step 2: Convert to fraction form
    442,073.10/610,060.80 = 240,869.10/x
  3. Step 3: Cross multiply
    442,073.10x = 610,060.80 × 240,869.10
  4. Step 4: Simplify right side
    442,073.10x = 146,944,795,841.28
  5. Step 5: Solve for x
    x = 146,944,795,841.28/442,073.10
  6. Step 6: Final answer
    x = 332,399.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.