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Finding the Fourth Proportional to 461,479.92, 692,219.91 and 124,520.58

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Solution

The fourth proportional to 461,479.92, 692,219.91 and 124,520.58 is: 186,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,479.92 : 692,219.91 = 124,520.58 : x
  2. Step 2: Convert to fraction form
    461,479.92/692,219.91 = 124,520.58/x
  3. Step 3: Cross multiply
    461,479.92x = 692,219.91 × 124,520.58
  4. Step 4: Simplify right side
    461,479.92x = 86,195,624,680.75
  5. Step 5: Solve for x
    x = 86,195,624,680.75/461,479.92
  6. Step 6: Final answer
    x = 186,780.88

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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.