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Finding the Fourth Proportional to 536,159.59, 739,715.27 and 342,680.56

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Solution

The fourth proportional to 536,159.59, 739,715.27 and 342,680.56 is: 472,780.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,159.59 : 739,715.27 = 342,680.56 : x
  2. Step 2: Convert to fraction form
    536,159.59/739,715.27 = 342,680.56/x
  3. Step 3: Cross multiply
    536,159.59x = 739,715.27 × 342,680.56
  4. Step 4: Simplify right side
    536,159.59x = 253,486,039,401.46
  5. Step 5: Solve for x
    x = 253,486,039,401.46/536,159.59
  6. Step 6: Final answer
    x = 472,780.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.