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Finding the Fourth Proportional to 330,144.95, 495,073.20 and 116,841.96

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Solution

The fourth proportional to 330,144.95, 495,073.20 and 116,841.96 is: 175,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,144.95 : 495,073.20 = 116,841.96 : x
  2. Step 2: Convert to fraction form
    330,144.95/495,073.20 = 116,841.96/x
  3. Step 3: Cross multiply
    330,144.95x = 495,073.20 × 116,841.96
  4. Step 4: Simplify right side
    330,144.95x = 57,845,323,031.47
  5. Step 5: Solve for x
    x = 57,845,323,031.47/330,144.95
  6. Step 6: Final answer
    x = 175,211.90

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1.5x scale

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.