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Finding the Fourth Proportional to 374,647.62, 517,013.67 and 204,881.70

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Solution

The fourth proportional to 374,647.62, 517,013.67 and 204,881.70 is: 282,736.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,647.62 : 517,013.67 = 204,881.70 : x
  2. Step 2: Convert to fraction form
    374,647.62/517,013.67 = 204,881.70/x
  3. Step 3: Cross multiply
    374,647.62x = 517,013.67 × 204,881.70
  4. Step 4: Simplify right side
    374,647.62x = 105,926,639,632.84
  5. Step 5: Solve for x
    x = 105,926,639,632.84/374,647.62
  6. Step 6: Final answer
    x = 282,736.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.