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Finding the Fourth Proportional to 284,626.18, 426,053.53 and 179,223.72

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Solution

The fourth proportional to 284,626.18, 426,053.53 and 179,223.72 is: 268,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,626.18 : 426,053.53 = 179,223.72 : x
  2. Step 2: Convert to fraction form
    284,626.18/426,053.53 = 179,223.72/x
  3. Step 3: Cross multiply
    284,626.18x = 426,053.53 × 179,223.72
  4. Step 4: Simplify right side
    284,626.18x = 76,358,898,565.73
  5. Step 5: Solve for x
    x = 76,358,898,565.73/284,626.18
  6. Step 6: Final answer
    x = 268,277.85

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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.