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Finding the Fourth Proportional to 384,176.40, 574,952.40 and 336,937.20

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Solution

The fourth proportional to 384,176.40, 574,952.40 and 336,937.20 is: 504,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,176.40 : 574,952.40 = 336,937.20 : x
  2. Step 2: Convert to fraction form
    384,176.40/574,952.40 = 336,937.20/x
  3. Step 3: Cross multiply
    384,176.40x = 574,952.40 × 336,937.20
  4. Step 4: Simplify right side
    384,176.40x = 193,722,851,789.28
  5. Step 5: Solve for x
    x = 193,722,851,789.28/384,176.40
  6. Step 6: Final answer
    x = 504,254.95

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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.