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Finding the Fourth Proportional to 322,948.40, 484,422.60 and 182,980.40

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Solution

The fourth proportional to 322,948.40, 484,422.60 and 182,980.40 is: 274,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,948.40 : 484,422.60 = 182,980.40 : x
  2. Step 2: Convert to fraction form
    322,948.40/484,422.60 = 182,980.40/x
  3. Step 3: Cross multiply
    322,948.40x = 484,422.60 × 182,980.40
  4. Step 4: Simplify right side
    322,948.40x = 88,639,841,117.04
  5. Step 5: Solve for x
    x = 88,639,841,117.04/322,948.40
  6. Step 6: Final answer
    x = 274,470.60

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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.