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Finding the Fourth Proportional to 498,053.44, 746,513.92 and 437,964.20

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Solution

The fourth proportional to 498,053.44, 746,513.92 and 437,964.20 is: 656,448.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,053.44 : 746,513.92 = 437,964.20 : x
  2. Step 2: Convert to fraction form
    498,053.44/746,513.92 = 437,964.20/x
  3. Step 3: Cross multiply
    498,053.44x = 746,513.92 × 437,964.20
  4. Step 4: Simplify right side
    498,053.44x = 326,946,371,761.66
  5. Step 5: Solve for x
    x = 326,946,371,761.66/498,053.44
  6. Step 6: Final answer
    x = 656,448.38

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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.