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Finding the Fourth Proportional to 544,820.20, 817,230.30 and 482,612.20

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Solution

The fourth proportional to 544,820.20, 817,230.30 and 482,612.20 is: 723,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,820.20 : 817,230.30 = 482,612.20 : x
  2. Step 2: Convert to fraction form
    544,820.20/817,230.30 = 482,612.20/x
  3. Step 3: Cross multiply
    544,820.20x = 817,230.30 × 482,612.20
  4. Step 4: Simplify right side
    544,820.20x = 394,405,312,989.66
  5. Step 5: Solve for x
    x = 394,405,312,989.66/544,820.20
  6. Step 6: Final answer
    x = 723,918.30

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Similar ratio
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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.