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Finding the Fourth Proportional to 265,789.58, 398,684.37 and 182,430.86

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Solution

The fourth proportional to 265,789.58, 398,684.37 and 182,430.86 is: 273,646.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,789.58 : 398,684.37 = 182,430.86 : x
  2. Step 2: Convert to fraction form
    265,789.58/398,684.37 = 182,430.86/x
  3. Step 3: Cross multiply
    265,789.58x = 398,684.37 × 182,430.86
  4. Step 4: Simplify right side
    265,789.58x = 72,732,332,487.66
  5. Step 5: Solve for x
    x = 72,732,332,487.66/265,789.58
  6. Step 6: Final answer
    x = 273,646.29

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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.