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Finding the Fourth Proportional to 384,274.20, 576,411.30 and 337,618.20

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Solution

The fourth proportional to 384,274.20, 576,411.30 and 337,618.20 is: 506,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,274.20 : 576,411.30 = 337,618.20 : x
  2. Step 2: Convert to fraction form
    384,274.20/576,411.30 = 337,618.20/x
  3. Step 3: Cross multiply
    384,274.20x = 576,411.30 × 337,618.20
  4. Step 4: Simplify right side
    384,274.20x = 194,606,945,565.66
  5. Step 5: Solve for x
    x = 194,606,945,565.66/384,274.20
  6. Step 6: Final answer
    x = 506,427.30

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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.