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Finding the Fourth Proportional to 692,234.27, 955,277.73 and 401,872.78

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Solution

The fourth proportional to 692,234.27, 955,277.73 and 401,872.78 is: 554,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,234.27 : 955,277.73 = 401,872.78 : x
  2. Step 2: Convert to fraction form
    692,234.27/955,277.73 = 401,872.78/x
  3. Step 3: Cross multiply
    692,234.27x = 955,277.73 × 401,872.78
  4. Step 4: Simplify right side
    692,234.27x = 383,900,113,255.48
  5. Step 5: Solve for x
    x = 383,900,113,255.48/692,234.27
  6. Step 6: Final answer
    x = 554,581.20

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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.