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Finding the Fourth Proportional to 458,820.91, 632,917.82 and 426,346.80

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Solution

The fourth proportional to 458,820.91, 632,917.82 and 426,346.80 is: 588,121.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,820.91 : 632,917.82 = 426,346.80 : x
  2. Step 2: Convert to fraction form
    458,820.91/632,917.82 = 426,346.80/x
  3. Step 3: Cross multiply
    458,820.91x = 632,917.82 × 426,346.80
  4. Step 4: Simplify right side
    458,820.91x = 269,842,483,514.20
  5. Step 5: Solve for x
    x = 269,842,483,514.20/458,820.91
  6. Step 6: Final answer
    x = 588,121.59

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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.