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Finding the Fourth Proportional to 504,561.74, 695,571.71 and 396,944.87

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Solution

The fourth proportional to 504,561.74, 695,571.71 and 396,944.87 is: 547,214.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,561.74 : 695,571.71 = 396,944.87 : x
  2. Step 2: Convert to fraction form
    504,561.74/695,571.71 = 396,944.87/x
  3. Step 3: Cross multiply
    504,561.74x = 695,571.71 × 396,944.87
  4. Step 4: Simplify right side
    504,561.74x = 276,103,622,001.63
  5. Step 5: Solve for x
    x = 276,103,622,001.63/504,561.74
  6. Step 6: Final answer
    x = 547,214.74

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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.