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Finding the Fourth Proportional to 748,903, 1,123,354.50 and 250,267

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Solution

The fourth proportional to 748,903, 1,123,354.50 and 250,267 is: 375,400.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,903 : 1,123,354.50 = 250,267 : x
  2. Step 2: Convert to fraction form
    748,903/1,123,354.50 = 250,267/x
  3. Step 3: Cross multiply
    748,903x = 1,123,354.50 × 250,267
  4. Step 4: Simplify right side
    748,903x = 281,138,560,651.50
  5. Step 5: Solve for x
    x = 281,138,560,651.50/748,903
  6. Step 6: Final answer
    x = 375,400.50

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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.