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Finding the Fourth Proportional to 375,437, 518,103.06 and 224,534

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Solution

The fourth proportional to 375,437, 518,103.06 and 224,534 is: 309,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,437 : 518,103.06 = 224,534 : x
  2. Step 2: Convert to fraction form
    375,437/518,103.06 = 224,534/x
  3. Step 3: Cross multiply
    375,437x = 518,103.06 × 224,534
  4. Step 4: Simplify right side
    375,437x = 116,331,752,474.04
  5. Step 5: Solve for x
    x = 116,331,752,474.04/375,437
  6. Step 6: Final answer
    x = 309,856.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.