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Finding the Fourth Proportional to 527,427.52, 791,163.20 and 153,450.52

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Solution

The fourth proportional to 527,427.52, 791,163.20 and 153,450.52 is: 230,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,427.52 : 791,163.20 = 153,450.52 : x
  2. Step 2: Convert to fraction form
    527,427.52/791,163.20 = 153,450.52/x
  3. Step 3: Cross multiply
    527,427.52x = 791,163.20 × 153,450.52
  4. Step 4: Simplify right side
    527,427.52x = 121,404,404,444.86
  5. Step 5: Solve for x
    x = 121,404,404,444.86/527,427.52
  6. Step 6: Final answer
    x = 230,182.16

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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.