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Finding the Fourth Proportional to 379,554.62, 523,776.25 and 207,464.86

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Solution

The fourth proportional to 379,554.62, 523,776.25 and 207,464.86 is: 286,296.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,554.62 : 523,776.25 = 207,464.86 : x
  2. Step 2: Convert to fraction form
    379,554.62/523,776.25 = 207,464.86/x
  3. Step 3: Cross multiply
    379,554.62x = 523,776.25 × 207,464.86
  4. Step 4: Simplify right side
    379,554.62x = 108,665,166,377.58
  5. Step 5: Solve for x
    x = 108,665,166,377.58/379,554.62
  6. Step 6: Final answer
    x = 286,296.52

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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.