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Finding the Fourth Proportional to 537,717.70, 806,576.55 and 529,423.30

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Solution

The fourth proportional to 537,717.70, 806,576.55 and 529,423.30 is: 794,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,717.70 : 806,576.55 = 529,423.30 : x
  2. Step 2: Convert to fraction form
    537,717.70/806,576.55 = 529,423.30/x
  3. Step 3: Cross multiply
    537,717.70x = 806,576.55 × 529,423.30
  4. Step 4: Simplify right side
    537,717.70x = 427,020,418,803.62
  5. Step 5: Solve for x
    x = 427,020,418,803.62/537,717.70
  6. Step 6: Final answer
    x = 794,134.95

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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.