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Finding the Fourth Proportional to 372,910.68, 514,632.42 and 203,154.12

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Solution

The fourth proportional to 372,910.68, 514,632.42 and 203,154.12 is: 280,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,910.68 : 514,632.42 = 203,154.12 : x
  2. Step 2: Convert to fraction form
    372,910.68/514,632.42 = 203,154.12/x
  3. Step 3: Cross multiply
    372,910.68x = 514,632.42 × 203,154.12
  4. Step 4: Simplify right side
    372,910.68x = 104,549,696,408.57
  5. Step 5: Solve for x
    x = 104,549,696,408.57/372,910.68
  6. Step 6: Final answer
    x = 280,361.23

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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.