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Finding the Fourth Proportional to 392,529.30, 588,793.95 and 97,041.30

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Solution

The fourth proportional to 392,529.30, 588,793.95 and 97,041.30 is: 145,561.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,529.30 : 588,793.95 = 97,041.30 : x
  2. Step 2: Convert to fraction form
    392,529.30/588,793.95 = 97,041.30/x
  3. Step 3: Cross multiply
    392,529.30x = 588,793.95 × 97,041.30
  4. Step 4: Simplify right side
    392,529.30x = 57,137,330,340.14
  5. Step 5: Solve for x
    x = 57,137,330,340.14/392,529.30
  6. Step 6: Final answer
    x = 145,561.95

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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.