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Finding the Fourth Proportional to 544,927.20, 817,390.80 and 482,719.20

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Solution

The fourth proportional to 544,927.20, 817,390.80 and 482,719.20 is: 724,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,927.20 : 817,390.80 = 482,719.20 : x
  2. Step 2: Convert to fraction form
    544,927.20/817,390.80 = 482,719.20/x
  3. Step 3: Cross multiply
    544,927.20x = 817,390.80 × 482,719.20
  4. Step 4: Simplify right side
    544,927.20x = 394,570,233,063.36
  5. Step 5: Solve for x
    x = 394,570,233,063.36/544,927.20
  6. Step 6: Final answer
    x = 724,078.80

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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.