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Finding the Fourth Proportional to 527,174.88, 791,202.96 and 477,573.76

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Solution

The fourth proportional to 527,174.88, 791,202.96 and 477,573.76 is: 716,759.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,174.88 : 791,202.96 = 477,573.76 : x
  2. Step 2: Convert to fraction form
    527,174.88/791,202.96 = 477,573.76/x
  3. Step 3: Cross multiply
    527,174.88x = 791,202.96 × 477,573.76
  4. Step 4: Simplify right side
    527,174.88x = 377,857,772,530.33
  5. Step 5: Solve for x
    x = 377,857,772,530.33/527,174.88
  6. Step 6: Final answer
    x = 716,759.82

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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.