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Finding the Fourth Proportional to 352,754.40, 486,337.84 and 254,555.22

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Solution

The fourth proportional to 352,754.40, 486,337.84 and 254,555.22 is: 350,951.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,754.40 : 486,337.84 = 254,555.22 : x
  2. Step 2: Convert to fraction form
    352,754.40/486,337.84 = 254,555.22/x
  3. Step 3: Cross multiply
    352,754.40x = 486,337.84 × 254,555.22
  4. Step 4: Simplify right side
    352,754.40x = 123,799,838,116.81
  5. Step 5: Solve for x
    x = 123,799,838,116.81/352,754.40
  6. Step 6: Final answer
    x = 350,951.94

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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.