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Finding the Fourth Proportional to 492,088.35, 679,067.10 and 277,223.70

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Solution

The fourth proportional to 492,088.35, 679,067.10 and 277,223.70 is: 382,560.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,088.35 : 679,067.10 = 277,223.70 : x
  2. Step 2: Convert to fraction form
    492,088.35/679,067.10 = 277,223.70/x
  3. Step 3: Cross multiply
    492,088.35x = 679,067.10 × 277,223.70
  4. Step 4: Simplify right side
    492,088.35x = 188,253,494,010.27
  5. Step 5: Solve for x
    x = 188,253,494,010.27/492,088.35
  6. Step 6: Final answer
    x = 382,560.36

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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.