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Finding the Fourth Proportional to 363,121.60, 544,423.20 and 163,278.40

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Solution

The fourth proportional to 363,121.60, 544,423.20 and 163,278.40 is: 244,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,121.60 : 544,423.20 = 163,278.40 : x
  2. Step 2: Convert to fraction form
    363,121.60/544,423.20 = 163,278.40/x
  3. Step 3: Cross multiply
    363,121.60x = 544,423.20 × 163,278.40
  4. Step 4: Simplify right side
    363,121.60x = 88,892,549,018.88
  5. Step 5: Solve for x
    x = 88,892,549,018.88/363,121.60
  6. Step 6: Final answer
    x = 244,801.05

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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.