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Finding the Fourth Proportional to 330,478.66, 456,063.44 and 179,575.66

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Solution

The fourth proportional to 330,478.66, 456,063.44 and 179,575.66 is: 247,815.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,478.66 : 456,063.44 = 179,575.66 : x
  2. Step 2: Convert to fraction form
    330,478.66/456,063.44 = 179,575.66/x
  3. Step 3: Cross multiply
    330,478.66x = 456,063.44 × 179,575.66
  4. Step 4: Simplify right side
    330,478.66x = 81,897,893,239.87
  5. Step 5: Solve for x
    x = 81,897,893,239.87/330,478.66
  6. Step 6: Final answer
    x = 247,815.98

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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.