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Finding the Fourth Proportional to 338,049.55, 506,337.28 and 169,275.42

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Solution

The fourth proportional to 338,049.55, 506,337.28 and 169,275.42 is: 253,544.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,049.55 : 506,337.28 = 169,275.42 : x
  2. Step 2: Convert to fraction form
    338,049.55/506,337.28 = 169,275.42/x
  3. Step 3: Cross multiply
    338,049.55x = 506,337.28 × 169,275.42
  4. Step 4: Simplify right side
    338,049.55x = 85,710,455,310.47
  5. Step 5: Solve for x
    x = 85,710,455,310.47/338,049.55
  6. Step 6: Final answer
    x = 253,544.06

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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.