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Finding the Fourth Proportional to 504,248.32, 695,862.78 and 274,805.68

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Solution

The fourth proportional to 504,248.32, 695,862.78 and 274,805.68 is: 379,231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,248.32 : 695,862.78 = 274,805.68 : x
  2. Step 2: Convert to fraction form
    504,248.32/695,862.78 = 274,805.68/x
  3. Step 3: Cross multiply
    504,248.32x = 695,862.78 × 274,805.68
  4. Step 4: Simplify right side
    504,248.32x = 191,227,044,444.59
  5. Step 5: Solve for x
    x = 191,227,044,444.59/504,248.32
  6. Step 6: Final answer
    x = 379,231.89

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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.