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Finding the Fourth Proportional to 492,230.52, 679,278.42 and 265,876.02

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Solution

The fourth proportional to 492,230.52, 679,278.42 and 265,876.02 is: 366,909.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,230.52 : 679,278.42 = 265,876.02 : x
  2. Step 2: Convert to fraction form
    492,230.52/679,278.42 = 265,876.02/x
  3. Step 3: Cross multiply
    492,230.52x = 679,278.42 × 265,876.02
  4. Step 4: Simplify right side
    492,230.52x = 180,603,842,781.49
  5. Step 5: Solve for x
    x = 180,603,842,781.49/492,230.52
  6. Step 6: Final answer
    x = 366,909.07

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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.