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Finding the Fourth Proportional to 394,983.60, 592,475.40 and 235,551.30

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Solution

The fourth proportional to 394,983.60, 592,475.40 and 235,551.30 is: 353,326.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,983.60 : 592,475.40 = 235,551.30 : x
  2. Step 2: Convert to fraction form
    394,983.60/592,475.40 = 235,551.30/x
  3. Step 3: Cross multiply
    394,983.60x = 592,475.40 × 235,551.30
  4. Step 4: Simplify right side
    394,983.60x = 139,558,350,688.02
  5. Step 5: Solve for x
    x = 139,558,350,688.02/394,983.60
  6. Step 6: Final answer
    x = 353,326.95

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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.