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Finding the Fourth Proportional to 296,055.20, 444,543.60 and 171,639.20

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Solution

The fourth proportional to 296,055.20, 444,543.60 and 171,639.20 is: 257,725.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,055.20 : 444,543.60 = 171,639.20 : x
  2. Step 2: Convert to fraction form
    296,055.20/444,543.60 = 171,639.20/x
  3. Step 3: Cross multiply
    296,055.20x = 444,543.60 × 171,639.20
  4. Step 4: Simplify right side
    296,055.20x = 76,301,107,869.12
  5. Step 5: Solve for x
    x = 76,301,107,869.12/296,055.20
  6. Step 6: Final answer
    x = 257,725.95

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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.