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Finding the Fourth Proportional to 508,523.46, 701,891.40 and 347,443.62

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Solution

The fourth proportional to 508,523.46, 701,891.40 and 347,443.62 is: 479,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,523.46 : 701,891.40 = 347,443.62 : x
  2. Step 2: Convert to fraction form
    508,523.46/701,891.40 = 347,443.62/x
  3. Step 3: Cross multiply
    508,523.46x = 701,891.40 × 347,443.62
  4. Step 4: Simplify right side
    508,523.46x = 243,867,688,862.87
  5. Step 5: Solve for x
    x = 243,867,688,862.87/508,523.46
  6. Step 6: Final answer
    x = 479,560.35

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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.