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Finding the Fourth Proportional to 561,691.80, 842,537.70 and 532,823.40

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Solution

The fourth proportional to 561,691.80, 842,537.70 and 532,823.40 is: 799,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,691.80 : 842,537.70 = 532,823.40 : x
  2. Step 2: Convert to fraction form
    561,691.80/842,537.70 = 532,823.40/x
  3. Step 3: Cross multiply
    561,691.80x = 842,537.70 × 532,823.40
  4. Step 4: Simplify right side
    561,691.80x = 448,923,801,942.18
  5. Step 5: Solve for x
    x = 448,923,801,942.18/561,691.80
  6. Step 6: Final answer
    x = 799,235.10

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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.