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Finding the Fourth Proportional to 527,251.28, 791,011.79 and 153,274.28

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Solution

The fourth proportional to 527,251.28, 791,011.79 and 153,274.28 is: 229,950.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,251.28 : 791,011.79 = 153,274.28 : x
  2. Step 2: Convert to fraction form
    527,251.28/791,011.79 = 153,274.28/x
  3. Step 3: Cross multiply
    527,251.28x = 791,011.79 × 153,274.28
  4. Step 4: Simplify right side
    527,251.28x = 121,241,762,583.76
  5. Step 5: Solve for x
    x = 121,241,762,583.76/527,251.28
  6. Step 6: Final answer
    x = 229,950.63

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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.