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Finding the Fourth Proportional to 543,325.70, 814,988.55 and 501,335.30

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Solution

The fourth proportional to 543,325.70, 814,988.55 and 501,335.30 is: 752,002.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,325.70 : 814,988.55 = 501,335.30 : x
  2. Step 2: Convert to fraction form
    543,325.70/814,988.55 = 501,335.30/x
  3. Step 3: Cross multiply
    543,325.70x = 814,988.55 × 501,335.30
  4. Step 4: Simplify right side
    543,325.70x = 408,582,529,210.82
  5. Step 5: Solve for x
    x = 408,582,529,210.82/543,325.70
  6. Step 6: Final answer
    x = 752,002.95

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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.