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Finding the Fourth Proportional to 493,417.20, 740,125.80 and 244,585.20

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Solution

The fourth proportional to 493,417.20, 740,125.80 and 244,585.20 is: 366,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,417.20 : 740,125.80 = 244,585.20 : x
  2. Step 2: Convert to fraction form
    493,417.20/740,125.80 = 244,585.20/x
  3. Step 3: Cross multiply
    493,417.20x = 740,125.80 × 244,585.20
  4. Step 4: Simplify right side
    493,417.20x = 181,023,816,818.16
  5. Step 5: Solve for x
    x = 181,023,816,818.16/493,417.20
  6. Step 6: Final answer
    x = 366,877.80

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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.