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Finding the Fourth Proportional to 298,758.80, 448,270 and 158,483.04

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Solution

The fourth proportional to 298,758.80, 448,270 and 158,483.04 is: 237,794.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,758.80 : 448,270 = 158,483.04 : x
  2. Step 2: Convert to fraction form
    298,758.80/448,270 = 158,483.04/x
  3. Step 3: Cross multiply
    298,758.80x = 448,270 × 158,483.04
  4. Step 4: Simplify right side
    298,758.80x = 71,043,192,340.80
  5. Step 5: Solve for x
    x = 71,043,192,340.80/298,758.80
  6. Step 6: Final answer
    x = 237,794.48

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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.