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Finding the Fourth Proportional to 659,229.84, 986,136.53 and 526,369.59

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Solution

The fourth proportional to 659,229.84, 986,136.53 and 526,369.59 is: 787,391.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,229.84 : 986,136.53 = 526,369.59 : x
  2. Step 2: Convert to fraction form
    659,229.84/986,136.53 = 526,369.59/x
  3. Step 3: Cross multiply
    659,229.84x = 986,136.53 × 526,369.59
  4. Step 4: Simplify right side
    659,229.84x = 519,072,278,348.28
  5. Step 5: Solve for x
    x = 519,072,278,348.28/659,229.84
  6. Step 6: Final answer
    x = 787,391.96

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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.