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Finding the Fourth Proportional to 324,025.60, 486,038.40 and 224,298.40

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Solution

The fourth proportional to 324,025.60, 486,038.40 and 224,298.40 is: 336,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,025.60 : 486,038.40 = 224,298.40 : x
  2. Step 2: Convert to fraction form
    324,025.60/486,038.40 = 224,298.40/x
  3. Step 3: Cross multiply
    324,025.60x = 486,038.40 × 224,298.40
  4. Step 4: Simplify right side
    324,025.60x = 109,017,635,458.56
  5. Step 5: Solve for x
    x = 109,017,635,458.56/324,025.60
  6. Step 6: Final answer
    x = 336,447.60

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Similar ratio
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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.