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Finding the Fourth Proportional to 330,708.96, 456,377.76 and 179,805.60

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Solution

The fourth proportional to 330,708.96, 456,377.76 and 179,805.60 is: 248,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,708.96 : 456,377.76 = 179,805.60 : x
  2. Step 2: Convert to fraction form
    330,708.96/456,377.76 = 179,805.60/x
  3. Step 3: Cross multiply
    330,708.96x = 456,377.76 × 179,805.60
  4. Step 4: Simplify right side
    330,708.96x = 82,059,276,963.46
  5. Step 5: Solve for x
    x = 82,059,276,963.46/330,708.96
  6. Step 6: Final answer
    x = 248,131.40

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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.