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Finding the Fourth Proportional to 330,756.20, 496,134.30 and 252,024.20

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Solution

The fourth proportional to 330,756.20, 496,134.30 and 252,024.20 is: 378,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,756.20 : 496,134.30 = 252,024.20 : x
  2. Step 2: Convert to fraction form
    330,756.20/496,134.30 = 252,024.20/x
  3. Step 3: Cross multiply
    330,756.20x = 496,134.30 × 252,024.20
  4. Step 4: Simplify right side
    330,756.20x = 125,037,850,050.06
  5. Step 5: Solve for x
    x = 125,037,850,050.06/330,756.20
  6. Step 6: Final answer
    x = 378,036.30

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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.