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Finding the Fourth Proportional to 544,863.57, 817,287.15 and 245,132.49

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Solution

The fourth proportional to 544,863.57, 817,287.15 and 245,132.49 is: 367,695.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,863.57 : 817,287.15 = 245,132.49 : x
  2. Step 2: Convert to fraction form
    544,863.57/817,287.15 = 245,132.49/x
  3. Step 3: Cross multiply
    544,863.57x = 817,287.15 × 245,132.49
  4. Step 4: Simplify right side
    544,863.57x = 200,343,634,124.50
  5. Step 5: Solve for x
    x = 200,343,634,124.50/544,863.57
  6. Step 6: Final answer
    x = 367,695.04

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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.