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Finding the Fourth Proportional to 537,805.70, 806,708.55 and 529,511.30

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Solution

The fourth proportional to 537,805.70, 806,708.55 and 529,511.30 is: 794,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,805.70 : 806,708.55 = 529,511.30 : x
  2. Step 2: Convert to fraction form
    537,805.70/806,708.55 = 529,511.30/x
  3. Step 3: Cross multiply
    537,805.70x = 806,708.55 × 529,511.30
  4. Step 4: Simplify right side
    537,805.70x = 427,161,293,031.62
  5. Step 5: Solve for x
    x = 427,161,293,031.62/537,805.70
  6. Step 6: Final answer
    x = 794,266.95

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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.