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Finding the Fourth Proportional to 330,263.53, 495,592.12 and 119,917.87

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Solution

The fourth proportional to 330,263.53, 495,592.12 and 119,917.87 is: 179,948.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,263.53 : 495,592.12 = 119,917.87 : x
  2. Step 2: Convert to fraction form
    330,263.53/495,592.12 = 119,917.87/x
  3. Step 3: Cross multiply
    330,263.53x = 495,592.12 × 119,917.87
  4. Step 4: Simplify right side
    330,263.53x = 59,430,350,330.10
  5. Step 5: Solve for x
    x = 59,430,350,330.10/330,263.53
  6. Step 6: Final answer
    x = 179,948.27

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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.