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Finding the Fourth Proportional to 330,292.56, 495,438.84 and 93,637.29

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Solution

The fourth proportional to 330,292.56, 495,438.84 and 93,637.29 is: 140,455.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,292.56 : 495,438.84 = 93,637.29 : x
  2. Step 2: Convert to fraction form
    330,292.56/495,438.84 = 93,637.29/x
  3. Step 3: Cross multiply
    330,292.56x = 495,438.84 × 93,637.29
  4. Step 4: Simplify right side
    330,292.56x = 46,391,550,338.34
  5. Step 5: Solve for x
    x = 46,391,550,338.34/330,292.56
  6. Step 6: Final answer
    x = 140,455.94

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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.