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Finding the Fourth Proportional to 462,146.59, 637,652.99 and 268,439.20

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Solution

The fourth proportional to 462,146.59, 637,652.99 and 268,439.20 is: 370,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,146.59 : 637,652.99 = 268,439.20 : x
  2. Step 2: Convert to fraction form
    462,146.59/637,652.99 = 268,439.20/x
  3. Step 3: Cross multiply
    462,146.59x = 637,652.99 × 268,439.20
  4. Step 4: Simplify right side
    462,146.59x = 171,171,057,590.17
  5. Step 5: Solve for x
    x = 171,171,057,590.17/462,146.59
  6. Step 6: Final answer
    x = 370,382.61

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Why These Related Problems?

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