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Finding the Fourth Proportional to 363,286.80, 544,930.20 and 223,124.40

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Solution

The fourth proportional to 363,286.80, 544,930.20 and 223,124.40 is: 334,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,286.80 : 544,930.20 = 223,124.40 : x
  2. Step 2: Convert to fraction form
    363,286.80/544,930.20 = 223,124.40/x
  3. Step 3: Cross multiply
    363,286.80x = 544,930.20 × 223,124.40
  4. Step 4: Simplify right side
    363,286.80x = 121,587,223,916.88
  5. Step 5: Solve for x
    x = 121,587,223,916.88/363,286.80
  6. Step 6: Final answer
    x = 334,686.60

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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.