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Finding the Fourth Proportional to 294,507.20, 441,760.80 and 154,247.60

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Solution

The fourth proportional to 294,507.20, 441,760.80 and 154,247.60 is: 231,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,507.20 : 441,760.80 = 154,247.60 : x
  2. Step 2: Convert to fraction form
    294,507.20/441,760.80 = 154,247.60/x
  3. Step 3: Cross multiply
    294,507.20x = 441,760.80 × 154,247.60
  4. Step 4: Simplify right side
    294,507.20x = 68,140,543,174.08
  5. Step 5: Solve for x
    x = 68,140,543,174.08/294,507.20
  6. Step 6: Final answer
    x = 231,371.40

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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.