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Finding the Fourth Proportional to 438,902.22, 605,685.07 and 237,698.22

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Solution

The fourth proportional to 438,902.22, 605,685.07 and 237,698.22 is: 328,023.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,902.22 : 605,685.07 = 237,698.22 : x
  2. Step 2: Convert to fraction form
    438,902.22/605,685.07 = 237,698.22/x
  3. Step 3: Cross multiply
    438,902.22x = 605,685.07 × 237,698.22
  4. Step 4: Simplify right side
    438,902.22x = 143,970,261,831.08
  5. Step 5: Solve for x
    x = 143,970,261,831.08/438,902.22
  6. Step 6: Final answer
    x = 328,023.54

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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.