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Finding the Fourth Proportional to 324,284.60, 485,770.80 and 224,557.40

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Solution

The fourth proportional to 324,284.60, 485,770.80 and 224,557.40 is: 336,381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,284.60 : 485,770.80 = 224,557.40 : x
  2. Step 2: Convert to fraction form
    324,284.60/485,770.80 = 224,557.40/x
  3. Step 3: Cross multiply
    324,284.60x = 485,770.80 × 224,557.40
  4. Step 4: Simplify right side
    324,284.60x = 109,083,427,843.92
  5. Step 5: Solve for x
    x = 109,083,427,843.92/324,284.60
  6. Step 6: Final answer
    x = 336,381.77

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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.