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Finding the Fourth Proportional to 416,561.57, 574,424.96 and 356,331.59

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Solution

The fourth proportional to 416,561.57, 574,424.96 and 356,331.59 is: 491,369.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,561.57 : 574,424.96 = 356,331.59 : x
  2. Step 2: Convert to fraction form
    416,561.57/574,424.96 = 356,331.59/x
  3. Step 3: Cross multiply
    416,561.57x = 574,424.96 × 356,331.59
  4. Step 4: Simplify right side
    416,561.57x = 204,685,759,332.49
  5. Step 5: Solve for x
    x = 204,685,759,332.49/416,561.57
  6. Step 6: Final answer
    x = 491,369.76

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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.