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Finding the Fourth Proportional to 527,607.50, 791,650.02 and 207,671.28

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Solution

The fourth proportional to 527,607.50, 791,650.02 and 207,671.28 is: 311,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,607.50 : 791,650.02 = 207,671.28 : x
  2. Step 2: Convert to fraction form
    527,607.50/791,650.02 = 207,671.28/x
  3. Step 3: Cross multiply
    527,607.50x = 791,650.02 × 207,671.28
  4. Step 4: Simplify right side
    527,607.50x = 164,402,972,965.43
  5. Step 5: Solve for x
    x = 164,402,972,965.43/527,607.50
  6. Step 6: Final answer
    x = 311,600.90

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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.