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Finding the Fourth Proportional to 401,729.60, 602,983.20 and 244,265.60

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Solution

The fourth proportional to 401,729.60, 602,983.20 and 244,265.60 is: 366,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,729.60 : 602,983.20 = 244,265.60 : x
  2. Step 2: Convert to fraction form
    401,729.60/602,983.20 = 244,265.60/x
  3. Step 3: Cross multiply
    401,729.60x = 602,983.20 × 244,265.60
  4. Step 4: Simplify right side
    401,729.60x = 147,288,053,137.92
  5. Step 5: Solve for x
    x = 147,288,053,137.92/401,729.60
  6. Step 6: Final answer
    x = 366,634.80

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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.