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Finding the Fourth Proportional to 330,861.20, 496,291.80 and 241,696.40

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Solution

The fourth proportional to 330,861.20, 496,291.80 and 241,696.40 is: 362,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,861.20 : 496,291.80 = 241,696.40 : x
  2. Step 2: Convert to fraction form
    330,861.20/496,291.80 = 241,696.40/x
  3. Step 3: Cross multiply
    330,861.20x = 496,291.80 × 241,696.40
  4. Step 4: Simplify right side
    330,861.20x = 119,951,941,409.52
  5. Step 5: Solve for x
    x = 119,951,941,409.52/330,861.20
  6. Step 6: Final answer
    x = 362,544.60

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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.