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Finding the Fourth Proportional to 641,716.30, 962,574.45 and 607,501.90

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Solution

The fourth proportional to 641,716.30, 962,574.45 and 607,501.90 is: 911,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,716.30 : 962,574.45 = 607,501.90 : x
  2. Step 2: Convert to fraction form
    641,716.30/962,574.45 = 607,501.90/x
  3. Step 3: Cross multiply
    641,716.30x = 962,574.45 × 607,501.90
  4. Step 4: Simplify right side
    641,716.30x = 584,765,807,266.46
  5. Step 5: Solve for x
    x = 584,765,807,266.46/641,716.30
  6. Step 6: Final answer
    x = 911,252.85

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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.