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Finding the Fourth Proportional to 374,520.33, 516,840.39 and 202,437.93

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Solution

The fourth proportional to 374,520.33, 516,840.39 and 202,437.93 is: 279,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,520.33 : 516,840.39 = 202,437.93 : x
  2. Step 2: Convert to fraction form
    374,520.33/516,840.39 = 202,437.93/x
  3. Step 3: Cross multiply
    374,520.33x = 516,840.39 × 202,437.93
  4. Step 4: Simplify right side
    374,520.33x = 104,628,098,691.99
  5. Step 5: Solve for x
    x = 104,628,098,691.99/374,520.33
  6. Step 6: Final answer
    x = 279,365.61

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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.