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Finding the Fourth Proportional to 641,197.13, 957,060.24 and 565,554.47

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Solution

The fourth proportional to 641,197.13, 957,060.24 and 565,554.47 is: 844,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,197.13 : 957,060.24 = 565,554.47 : x
  2. Step 2: Convert to fraction form
    641,197.13/957,060.24 = 565,554.47/x
  3. Step 3: Cross multiply
    641,197.13x = 957,060.24 × 565,554.47
  4. Step 4: Simplify right side
    641,197.13x = 541,269,692,005.97
  5. Step 5: Solve for x
    x = 541,269,692,005.97/641,197.13
  6. Step 6: Final answer
    x = 844,154.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.