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Finding the Fourth Proportional to 445,560.48, 668,672.80 and 179,323.20

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Solution

The fourth proportional to 445,560.48, 668,672.80 and 179,323.20 is: 269,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,560.48 : 668,672.80 = 179,323.20 : x
  2. Step 2: Convert to fraction form
    445,560.48/668,672.80 = 179,323.20/x
  3. Step 3: Cross multiply
    445,560.48x = 668,672.80 × 179,323.20
  4. Step 4: Simplify right side
    445,560.48x = 119,908,546,248.96
  5. Step 5: Solve for x
    x = 119,908,546,248.96/445,560.48
  6. Step 6: Final answer
    x = 269,118.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.