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Finding the Fourth Proportional to 298,963.20, 448,442.88 and 88,602.24

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Solution

The fourth proportional to 298,963.20, 448,442.88 and 88,602.24 is: 132,902.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,963.20 : 448,442.88 = 88,602.24 : x
  2. Step 2: Convert to fraction form
    298,963.20/448,442.88 = 88,602.24/x
  3. Step 3: Cross multiply
    298,963.20x = 448,442.88 × 88,602.24
  4. Step 4: Simplify right side
    298,963.20x = 39,733,043,680.05
  5. Step 5: Solve for x
    x = 39,733,043,680.05/298,963.20
  6. Step 6: Final answer
    x = 132,902.79

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1.5x scale

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.