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Finding the Fourth Proportional to 296,454.40, 444,973.20 and 146,863.60

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Solution

The fourth proportional to 296,454.40, 444,973.20 and 146,863.60 is: 220,439.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,454.40 : 444,973.20 = 146,863.60 : x
  2. Step 2: Convert to fraction form
    296,454.40/444,973.20 = 146,863.60/x
  3. Step 3: Cross multiply
    296,454.40x = 444,973.20 × 146,863.60
  4. Step 4: Simplify right side
    296,454.40x = 65,350,366,055.52
  5. Step 5: Solve for x
    x = 65,350,366,055.52/296,454.40
  6. Step 6: Final answer
    x = 220,439.86

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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.