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Finding the Fourth Proportional to 492,459.52, 679,553.30 and 277,652.38

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Solution

The fourth proportional to 492,459.52, 679,553.30 and 277,652.38 is: 383,137.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,459.52 : 679,553.30 = 277,652.38 : x
  2. Step 2: Convert to fraction form
    492,459.52/679,553.30 = 277,652.38/x
  3. Step 3: Cross multiply
    492,459.52x = 679,553.30 × 277,652.38
  4. Step 4: Simplify right side
    492,459.52x = 188,679,591,081.85
  5. Step 5: Solve for x
    x = 188,679,591,081.85/492,459.52
  6. Step 6: Final answer
    x = 383,137.26

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1.5x scale

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.