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Finding the Fourth Proportional to 330,897.96, 456,640.26 and 179,994.92

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Solution

The fourth proportional to 330,897.96, 456,640.26 and 179,994.92 is: 248,393.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,897.96 : 456,640.26 = 179,994.92 : x
  2. Step 2: Convert to fraction form
    330,897.96/456,640.26 = 179,994.92/x
  3. Step 3: Cross multiply
    330,897.96x = 456,640.26 × 179,994.92
  4. Step 4: Simplify right side
    330,897.96x = 82,192,927,067.48
  5. Step 5: Solve for x
    x = 82,192,927,067.48/330,897.96
  6. Step 6: Final answer
    x = 248,393.57

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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.