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Finding the Fourth Proportional to 503,576.39, 694,935.38 and 274,135.32

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Solution

The fourth proportional to 503,576.39, 694,935.38 and 274,135.32 is: 378,306.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,576.39 : 694,935.38 = 274,135.32 : x
  2. Step 2: Convert to fraction form
    503,576.39/694,935.38 = 274,135.32/x
  3. Step 3: Cross multiply
    503,576.39x = 694,935.38 × 274,135.32
  4. Step 4: Simplify right side
    503,576.39x = 190,506,331,404.95
  5. Step 5: Solve for x
    x = 190,506,331,404.95/503,576.39
  6. Step 6: Final answer
    x = 378,306.72

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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.