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Finding the Fourth Proportional to 503,559.90, 694,944.14 and 277,205.40

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Solution

The fourth proportional to 503,559.90, 694,944.14 and 277,205.40 is: 382,560.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,559.90 : 694,944.14 = 277,205.40 : x
  2. Step 2: Convert to fraction form
    503,559.90/694,944.14 = 277,205.40/x
  3. Step 3: Cross multiply
    503,559.90x = 694,944.14 × 277,205.40
  4. Step 4: Simplify right side
    503,559.90x = 192,642,266,920.33
  5. Step 5: Solve for x
    x = 192,642,266,920.33/503,559.90
  6. Step 6: Final answer
    x = 382,560.78

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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.