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Finding the Fourth Proportional to 349,711.33, 482,775.92 and 229,037.53

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Solution

The fourth proportional to 349,711.33, 482,775.92 and 229,037.53 is: 316,185.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,711.33 : 482,775.92 = 229,037.53 : x
  2. Step 2: Convert to fraction form
    349,711.33/482,775.92 = 229,037.53/x
  3. Step 3: Cross multiply
    349,711.33x = 482,775.92 × 229,037.53
  4. Step 4: Simplify right side
    349,711.33x = 110,573,803,115.09
  5. Step 5: Solve for x
    x = 110,573,803,115.09/349,711.33
  6. Step 6: Final answer
    x = 316,185.93

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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.