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Finding the Fourth Proportional to 416,239.44, 574,269.72 and 270,978.72

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Solution

The fourth proportional to 416,239.44, 574,269.72 and 270,978.72 is: 373,859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,239.44 : 574,269.72 = 270,978.72 : x
  2. Step 2: Convert to fraction form
    416,239.44/574,269.72 = 270,978.72/x
  3. Step 3: Cross multiply
    416,239.44x = 574,269.72 × 270,978.72
  4. Step 4: Simplify right side
    416,239.44x = 155,614,873,660.36
  5. Step 5: Solve for x
    x = 155,614,873,660.36/416,239.44
  6. Step 6: Final answer
    x = 373,859.03

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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.