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Finding the Fourth Proportional to 310,627.72, 465,600.64 and 177,217.04

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Solution

The fourth proportional to 310,627.72, 465,600.64 and 177,217.04 is: 265,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,627.72 : 465,600.64 = 177,217.04 : x
  2. Step 2: Convert to fraction form
    310,627.72/465,600.64 = 177,217.04/x
  3. Step 3: Cross multiply
    310,627.72x = 465,600.64 × 177,217.04
  4. Step 4: Simplify right side
    310,627.72x = 82,512,367,242.91
  5. Step 5: Solve for x
    x = 82,512,367,242.91/310,627.72
  6. Step 6: Final answer
    x = 265,631.05

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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.