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Finding the Fourth Proportional to 369,027.88, 551,519.90 and 269,397.88

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Solution

The fourth proportional to 369,027.88, 551,519.90 and 269,397.88 is: 402,620.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,027.88 : 551,519.90 = 269,397.88 : x
  2. Step 2: Convert to fraction form
    369,027.88/551,519.90 = 269,397.88/x
  3. Step 3: Cross multiply
    369,027.88x = 551,519.90 × 269,397.88
  4. Step 4: Simplify right side
    369,027.88x = 148,578,291,837.81
  5. Step 5: Solve for x
    x = 148,578,291,837.81/369,027.88
  6. Step 6: Final answer
    x = 402,620.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.