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Finding the Fourth Proportional to 273,614.52, 411,079.38 and 258,508.92

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Solution

The fourth proportional to 273,614.52, 411,079.38 and 258,508.92 is: 388,384.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,614.52 : 411,079.38 = 258,508.92 : x
  2. Step 2: Convert to fraction form
    273,614.52/411,079.38 = 258,508.92/x
  3. Step 3: Cross multiply
    273,614.52x = 411,079.38 × 258,508.92
  4. Step 4: Simplify right side
    273,614.52x = 106,267,686,558.07
  5. Step 5: Solve for x
    x = 106,267,686,558.07/273,614.52
  6. Step 6: Final answer
    x = 388,384.68

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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.