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Finding the Fourth Proportional to 527,251.54, 791,012.16 and 153,274.54

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Solution

The fourth proportional to 527,251.54, 791,012.16 and 153,274.54 is: 229,951.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,251.54 : 791,012.16 = 153,274.54 : x
  2. Step 2: Convert to fraction form
    527,251.54/791,012.16 = 153,274.54/x
  3. Step 3: Cross multiply
    527,251.54x = 791,012.16 × 153,274.54
  4. Step 4: Simplify right side
    527,251.54x = 121,242,024,958.41
  5. Step 5: Solve for x
    x = 121,242,024,958.41/527,251.54
  6. Step 6: Final answer
    x = 229,951.01

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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.