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Finding the Fourth Proportional to 312,007.20, 468,471.60 and 241,965.60

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Solution

The fourth proportional to 312,007.20, 468,471.60 and 241,965.60 is: 363,305.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,007.20 : 468,471.60 = 241,965.60 : x
  2. Step 2: Convert to fraction form
    312,007.20/468,471.60 = 241,965.60/x
  3. Step 3: Cross multiply
    312,007.20x = 468,471.60 × 241,965.60
  4. Step 4: Simplify right side
    312,007.20x = 113,354,011,776.96
  5. Step 5: Solve for x
    x = 113,354,011,776.96/312,007.20
  6. Step 6: Final answer
    x = 363,305.76

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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.