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Finding the Fourth Proportional to 330,382.80, 495,593.03 and 93,706.88

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Solution

The fourth proportional to 330,382.80, 495,593.03 and 93,706.88 is: 140,565.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,382.80 : 495,593.03 = 93,706.88 : x
  2. Step 2: Convert to fraction form
    330,382.80/495,593.03 = 93,706.88/x
  3. Step 3: Cross multiply
    330,382.80x = 495,593.03 × 93,706.88
  4. Step 4: Simplify right side
    330,382.80x = 46,440,474,347.35
  5. Step 5: Solve for x
    x = 46,440,474,347.35/330,382.80
  6. Step 6: Final answer
    x = 140,565.65

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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.