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Finding the Fourth Proportional to 374,908.52, 517,373.20 and 202,825.92

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Solution

The fourth proportional to 374,908.52, 517,373.20 and 202,825.92 is: 279,899.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,908.52 : 517,373.20 = 202,825.92 : x
  2. Step 2: Convert to fraction form
    374,908.52/517,373.20 = 202,825.92/x
  3. Step 3: Cross multiply
    374,908.52x = 517,373.20 × 202,825.92
  4. Step 4: Simplify right side
    374,908.52x = 104,936,695,273.34
  5. Step 5: Solve for x
    x = 104,936,695,273.34/374,908.52
  6. Step 6: Final answer
    x = 279,899.47

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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.