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Finding the Fourth Proportional to 720,198.96, 993,562.32 and 433,552.96

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Solution

The fourth proportional to 720,198.96, 993,562.32 and 433,552.96 is: 598,115.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,198.96 : 993,562.32 = 433,552.96 : x
  2. Step 2: Convert to fraction form
    720,198.96/993,562.32 = 433,552.96/x
  3. Step 3: Cross multiply
    720,198.96x = 993,562.32 × 433,552.96
  4. Step 4: Simplify right side
    720,198.96x = 430,761,884,780.47
  5. Step 5: Solve for x
    x = 430,761,884,780.47/720,198.96
  6. Step 6: Final answer
    x = 598,115.12

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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.