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Finding the Fourth Proportional to 301,660.60, 416,320.52 and 172,573.44

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Solution

The fourth proportional to 301,660.60, 416,320.52 and 172,573.44 is: 238,167.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,660.60 : 416,320.52 = 172,573.44 : x
  2. Step 2: Convert to fraction form
    301,660.60/416,320.52 = 172,573.44/x
  3. Step 3: Cross multiply
    301,660.60x = 416,320.52 × 172,573.44
  4. Step 4: Simplify right side
    301,660.60x = 71,845,864,278.99
  5. Step 5: Solve for x
    x = 71,845,864,278.99/301,660.60
  6. Step 6: Final answer
    x = 238,167.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.