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Finding the Fourth Proportional to 961,957.90, 1,327,484.41 and 532,238.03

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Solution

The fourth proportional to 961,957.90, 1,327,484.41 and 532,238.03 is: 734,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,957.90 : 1,327,484.41 = 532,238.03 : x
  2. Step 2: Convert to fraction form
    961,957.90/1,327,484.41 = 532,238.03/x
  3. Step 3: Cross multiply
    961,957.90x = 1,327,484.41 × 532,238.03
  4. Step 4: Simplify right side
    961,957.90x = 706,537,687,234.11
  5. Step 5: Solve for x
    x = 706,537,687,234.11/961,957.90
  6. Step 6: Final answer
    x = 734,478.80

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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.