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Finding the Fourth Proportional to 544,987.50, 817,612.56 and 171,010.50

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Solution

The fourth proportional to 544,987.50, 817,612.56 and 171,010.50 is: 256,556.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,987.50 : 817,612.56 = 171,010.50 : x
  2. Step 2: Convert to fraction form
    544,987.50/817,612.56 = 171,010.50/x
  3. Step 3: Cross multiply
    544,987.50x = 817,612.56 × 171,010.50
  4. Step 4: Simplify right side
    544,987.50x = 139,820,332,691.88
  5. Step 5: Solve for x
    x = 139,820,332,691.88/544,987.50
  6. Step 6: Final answer
    x = 256,556.95

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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.