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Finding the Fourth Proportional to 330,176.80, 495,265.20 and 251,444.80

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Solution

The fourth proportional to 330,176.80, 495,265.20 and 251,444.80 is: 377,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,176.80 : 495,265.20 = 251,444.80 : x
  2. Step 2: Convert to fraction form
    330,176.80/495,265.20 = 251,444.80/x
  3. Step 3: Cross multiply
    330,176.80x = 495,265.20 × 251,444.80
  4. Step 4: Simplify right side
    330,176.80x = 124,531,859,160.96
  5. Step 5: Solve for x
    x = 124,531,859,160.96/330,176.80
  6. Step 6: Final answer
    x = 377,167.20

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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.