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Finding the Fourth Proportional to 330,270.38, 495,404.70 and 93,615.14

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Solution

The fourth proportional to 330,270.38, 495,404.70 and 93,615.14 is: 140,422.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,270.38 : 495,404.70 = 93,615.14 : x
  2. Step 2: Convert to fraction form
    330,270.38/495,404.70 = 93,615.14/x
  3. Step 3: Cross multiply
    330,270.38x = 495,404.70 × 93,615.14
  4. Step 4: Simplify right side
    330,270.38x = 46,377,380,347.16
  5. Step 5: Solve for x
    x = 46,377,380,347.16/330,270.38
  6. Step 6: Final answer
    x = 140,422.46

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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.