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Finding the Fourth Proportional to 691,486, 1,037,404.04 and 192,850

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Solution

The fourth proportional to 691,486, 1,037,404.04 and 192,850 is: 289,323.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,486 : 1,037,404.04 = 192,850 : x
  2. Step 2: Convert to fraction form
    691,486/1,037,404.04 = 192,850/x
  3. Step 3: Cross multiply
    691,486x = 1,037,404.04 × 192,850
  4. Step 4: Simplify right side
    691,486x = 200,063,369,114
  5. Step 5: Solve for x
    x = 200,063,369,114/691,486
  6. Step 6: Final answer
    x = 289,323.82

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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.