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Finding the Fourth Proportional to 319,575.17, 479,279.84 and 94,882.79

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Solution

The fourth proportional to 319,575.17, 479,279.84 and 94,882.79 is: 142,299.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,575.17 : 479,279.84 = 94,882.79 : x
  2. Step 2: Convert to fraction form
    319,575.17/479,279.84 = 94,882.79/x
  3. Step 3: Cross multiply
    319,575.17x = 479,279.84 × 94,882.79
  4. Step 4: Simplify right side
    319,575.17x = 45,475,409,133.74
  5. Step 5: Solve for x
    x = 45,475,409,133.74/319,575.17
  6. Step 6: Final answer
    x = 142,299.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.