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Finding the Fourth Proportional to 426,147.60, 588,112.20 and 244,918.20

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Solution

The fourth proportional to 426,147.60, 588,112.20 and 244,918.20 is: 338,003.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,147.60 : 588,112.20 = 244,918.20 : x
  2. Step 2: Convert to fraction form
    426,147.60/588,112.20 = 244,918.20/x
  3. Step 3: Cross multiply
    426,147.60x = 588,112.20 × 244,918.20
  4. Step 4: Simplify right side
    426,147.60x = 144,039,381,422.04
  5. Step 5: Solve for x
    x = 144,039,381,422.04/426,147.60
  6. Step 6: Final answer
    x = 338,003.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.