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Finding the Fourth Proportional to 324,265.60, 485,742.30 and 224,538.40

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Solution

The fourth proportional to 324,265.60, 485,742.30 and 224,538.40 is: 336,353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,265.60 : 485,742.30 = 224,538.40 : x
  2. Step 2: Convert to fraction form
    324,265.60/485,742.30 = 224,538.40/x
  3. Step 3: Cross multiply
    324,265.60x = 485,742.30 × 224,538.40
  4. Step 4: Simplify right side
    324,265.60x = 109,067,798,854.32
  5. Step 5: Solve for x
    x = 109,067,798,854.32/324,265.60
  6. Step 6: Final answer
    x = 336,353.28

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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.