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Finding the Fourth Proportional to 291,429.62, 437,124.36 and 179,127.18

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Solution

The fourth proportional to 291,429.62, 437,124.36 and 179,127.18 is: 268,678.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,429.62 : 437,124.36 = 179,127.18 : x
  2. Step 2: Convert to fraction form
    291,429.62/437,124.36 = 179,127.18/x
  3. Step 3: Cross multiply
    291,429.62x = 437,124.36 × 179,127.18
  4. Step 4: Simplify right side
    291,429.62x = 78,300,853,916.10
  5. Step 5: Solve for x
    x = 78,300,853,916.10/291,429.62
  6. Step 6: Final answer
    x = 268,678.43

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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.