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Finding the Fourth Proportional to 544,856.20, 815,729.10 and 482,648.20

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Solution

The fourth proportional to 544,856.20, 815,729.10 and 482,648.20 is: 722,594.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,856.20 : 815,729.10 = 482,648.20 : x
  2. Step 2: Convert to fraction form
    544,856.20/815,729.10 = 482,648.20/x
  3. Step 3: Cross multiply
    544,856.20x = 815,729.10 × 482,648.20
  4. Step 4: Simplify right side
    544,856.20x = 393,710,181,802.62
  5. Step 5: Solve for x
    x = 393,710,181,802.62/544,856.20
  6. Step 6: Final answer
    x = 722,594.66

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1.5x scale

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.