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Finding the Fourth Proportional to 440,589.83, 607,968.15 and 259,290.97

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Solution

The fourth proportional to 440,589.83, 607,968.15 and 259,290.97 is: 357,794.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,589.83 : 607,968.15 = 259,290.97 : x
  2. Step 2: Convert to fraction form
    440,589.83/607,968.15 = 259,290.97/x
  3. Step 3: Cross multiply
    440,589.83x = 607,968.15 × 259,290.97
  4. Step 4: Simplify right side
    440,589.83x = 157,640,649,822.69
  5. Step 5: Solve for x
    x = 157,640,649,822.69/440,589.83
  6. Step 6: Final answer
    x = 357,794.58

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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.