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Finding the Fourth Proportional to 516,743.42, 775,272.62 and 264,201.22

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Solution

The fourth proportional to 516,743.42, 775,272.62 and 264,201.22 is: 396,382.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,743.42 : 775,272.62 = 264,201.22 : x
  2. Step 2: Convert to fraction form
    516,743.42/775,272.62 = 264,201.22/x
  3. Step 3: Cross multiply
    516,743.42x = 775,272.62 × 264,201.22
  4. Step 4: Simplify right side
    516,743.42x = 204,827,970,835.54
  5. Step 5: Solve for x
    x = 204,827,970,835.54/516,743.42
  6. Step 6: Final answer
    x = 396,382.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.