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Finding the Fourth Proportional to 961,472.80, 1,326,792.45 and 525,883.15

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Solution

The fourth proportional to 961,472.80, 1,326,792.45 and 525,883.15 is: 725,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,472.80 : 1,326,792.45 = 525,883.15 : x
  2. Step 2: Convert to fraction form
    961,472.80/1,326,792.45 = 525,883.15/x
  3. Step 3: Cross multiply
    961,472.80x = 1,326,792.45 × 525,883.15
  4. Step 4: Simplify right side
    961,472.80x = 697,737,793,002.22
  5. Step 5: Solve for x
    x = 697,737,793,002.22/961,472.80
  6. Step 6: Final answer
    x = 725,696.86

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