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Finding the Fourth Proportional to 330,316.80, 495,494.04 and 93,640.88

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Solution

The fourth proportional to 330,316.80, 495,494.04 and 93,640.88 is: 140,466.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,316.80 : 495,494.04 = 93,640.88 : x
  2. Step 2: Convert to fraction form
    330,316.80/495,494.04 = 93,640.88/x
  3. Step 3: Cross multiply
    330,316.80x = 495,494.04 × 93,640.88
  4. Step 4: Simplify right side
    330,316.80x = 46,398,495,462.89
  5. Step 5: Solve for x
    x = 46,398,495,462.89/330,316.80
  6. Step 6: Final answer
    x = 140,466.65

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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.