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Finding the Fourth Proportional to 416,279.56, 574,331.68 and 254,966.44

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Solution

The fourth proportional to 416,279.56, 574,331.68 and 254,966.44 is: 351,771.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,279.56 : 574,331.68 = 254,966.44 : x
  2. Step 2: Convert to fraction form
    416,279.56/574,331.68 = 254,966.44/x
  3. Step 3: Cross multiply
    416,279.56x = 574,331.68 × 254,966.44
  4. Step 4: Simplify right side
    416,279.56x = 146,435,303,828.82
  5. Step 5: Solve for x
    x = 146,435,303,828.82/416,279.56
  6. Step 6: Final answer
    x = 351,771.54

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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.