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Finding the Fourth Proportional to 291,900.52, 437,061.10 and 151,363.72

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Solution

The fourth proportional to 291,900.52, 437,061.10 and 151,363.72 is: 226,636.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,900.52 : 437,061.10 = 151,363.72 : x
  2. Step 2: Convert to fraction form
    291,900.52/437,061.10 = 151,363.72/x
  3. Step 3: Cross multiply
    291,900.52x = 437,061.10 × 151,363.72
  4. Step 4: Simplify right side
    291,900.52x = 66,155,193,963.29
  5. Step 5: Solve for x
    x = 66,155,193,963.29/291,900.52
  6. Step 6: Final answer
    x = 226,636.09

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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.