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Finding the Fourth Proportional to 504,560.74, 695,570.33 and 396,943.87

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Solution

The fourth proportional to 504,560.74, 695,570.33 and 396,943.87 is: 547,213.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,560.74 : 695,570.33 = 396,943.87 : x
  2. Step 2: Convert to fraction form
    504,560.74/695,570.33 = 396,943.87/x
  3. Step 3: Cross multiply
    504,560.74x = 695,570.33 × 396,943.87
  4. Step 4: Simplify right side
    504,560.74x = 276,102,378,647.38
  5. Step 5: Solve for x
    x = 276,102,378,647.38/504,560.74
  6. Step 6: Final answer
    x = 547,213.36

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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.