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Finding the Fourth Proportional to 625,209.87, 937,894.30 and 198,593.51

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Solution

The fourth proportional to 625,209.87, 937,894.30 and 198,593.51 is: 297,915.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,209.87 : 937,894.30 = 198,593.51 : x
  2. Step 2: Convert to fraction form
    625,209.87/937,894.30 = 198,593.51/x
  3. Step 3: Cross multiply
    625,209.87x = 937,894.30 × 198,593.51
  4. Step 4: Simplify right side
    625,209.87x = 186,259,715,860.04
  5. Step 5: Solve for x
    x = 186,259,715,860.04/625,209.87
  6. Step 6: Final answer
    x = 297,915.51

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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.