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Finding the Fourth Proportional to 503,402.38, 694,573.76 and 296,679.26

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Solution

The fourth proportional to 503,402.38, 694,573.76 and 296,679.26 is: 409,345.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,402.38 : 694,573.76 = 296,679.26 : x
  2. Step 2: Convert to fraction form
    503,402.38/694,573.76 = 296,679.26/x
  3. Step 3: Cross multiply
    503,402.38x = 694,573.76 × 296,679.26
  4. Step 4: Simplify right side
    503,402.38x = 206,065,631,610.35
  5. Step 5: Solve for x
    x = 206,065,631,610.35/503,402.38
  6. Step 6: Final answer
    x = 409,345.77

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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.