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Finding the Fourth Proportional to 527,710.70, 791,505.30 and 153,733.70

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Solution

The fourth proportional to 527,710.70, 791,505.30 and 153,733.70 is: 230,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,710.70 : 791,505.30 = 153,733.70 : x
  2. Step 2: Convert to fraction form
    527,710.70/791,505.30 = 153,733.70/x
  3. Step 3: Cross multiply
    527,710.70x = 791,505.30 × 153,733.70
  4. Step 4: Simplify right side
    527,710.70x = 121,681,038,338.61
  5. Step 5: Solve for x
    x = 121,681,038,338.61/527,710.70
  6. Step 6: Final answer
    x = 230,582.85

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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.