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Finding the Fourth Proportional to 363,000.20, 544,500.30 and 324,946.40

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Solution

The fourth proportional to 363,000.20, 544,500.30 and 324,946.40 is: 487,419.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,000.20 : 544,500.30 = 324,946.40 : x
  2. Step 2: Convert to fraction form
    363,000.20/544,500.30 = 324,946.40/x
  3. Step 3: Cross multiply
    363,000.20x = 544,500.30 × 324,946.40
  4. Step 4: Simplify right side
    363,000.20x = 176,933,412,283.92
  5. Step 5: Solve for x
    x = 176,933,412,283.92/363,000.20
  6. Step 6: Final answer
    x = 487,419.60

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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.