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Finding the Fourth Proportional to 349,718.78, 524,522.28 and 125,037.34

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Solution

The fourth proportional to 349,718.78, 524,522.28 and 125,037.34 is: 187,536.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,718.78 : 524,522.28 = 125,037.34 : x
  2. Step 2: Convert to fraction form
    349,718.78/524,522.28 = 125,037.34/x
  3. Step 3: Cross multiply
    349,718.78x = 524,522.28 × 125,037.34
  4. Step 4: Simplify right side
    349,718.78x = 65,584,869,819.52
  5. Step 5: Solve for x
    x = 65,584,869,819.52/349,718.78
  6. Step 6: Final answer
    x = 187,536.02

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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.