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Finding the Fourth Proportional to 527,594.31, 791,384.58 and 128,233.94

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Solution

The fourth proportional to 527,594.31, 791,384.58 and 128,233.94 is: 192,349.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,594.31 : 791,384.58 = 128,233.94 : x
  2. Step 2: Convert to fraction form
    527,594.31/791,384.58 = 128,233.94/x
  3. Step 3: Cross multiply
    527,594.31x = 791,384.58 × 128,233.94
  4. Step 4: Simplify right side
    527,594.31x = 101,482,358,791.72
  5. Step 5: Solve for x
    x = 101,482,358,791.72/527,594.31
  6. Step 6: Final answer
    x = 192,349.23

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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.