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Finding the Fourth Proportional to 330,478.44, 456,062.98 and 179,575.44

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Solution

The fourth proportional to 330,478.44, 456,062.98 and 179,575.44 is: 247,815.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,478.44 : 456,062.98 = 179,575.44 : x
  2. Step 2: Convert to fraction form
    330,478.44/456,062.98 = 179,575.44/x
  3. Step 3: Cross multiply
    330,478.44x = 456,062.98 × 179,575.44
  4. Step 4: Simplify right side
    330,478.44x = 81,897,710,301.21
  5. Step 5: Solve for x
    x = 81,897,710,301.21/330,478.44
  6. Step 6: Final answer
    x = 247,815.59

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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.