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Finding the Fourth Proportional to 503,645.68, 754,993.62 and 250,687

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Solution

The fourth proportional to 503,645.68, 754,993.62 and 250,687 is: 375,794.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,645.68 : 754,993.62 = 250,687 : x
  2. Step 2: Convert to fraction form
    503,645.68/754,993.62 = 250,687/x
  3. Step 3: Cross multiply
    503,645.68x = 754,993.62 × 250,687
  4. Step 4: Simplify right side
    503,645.68x = 189,267,085,616.94
  5. Step 5: Solve for x
    x = 189,267,085,616.94/503,645.68
  6. Step 6: Final answer
    x = 375,794.12

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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.