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Finding the Fourth Proportional to 379,325.77, 523,505.77 and 207,269.89

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Solution

The fourth proportional to 379,325.77, 523,505.77 and 207,269.89 is: 286,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,325.77 : 523,505.77 = 207,269.89 : x
  2. Step 2: Convert to fraction form
    379,325.77/523,505.77 = 207,269.89/x
  3. Step 3: Cross multiply
    379,325.77x = 523,505.77 × 207,269.89
  4. Step 4: Simplify right side
    379,325.77x = 108,506,981,535.33
  5. Step 5: Solve for x
    x = 108,506,981,535.33/379,325.77
  6. Step 6: Final answer
    x = 286,052.23

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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.