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Finding the Fourth Proportional to 458,208.90, 632,331.66 and 254,260.62

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Solution

The fourth proportional to 458,208.90, 632,331.66 and 254,260.62 is: 350,881.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,208.90 : 632,331.66 = 254,260.62 : x
  2. Step 2: Convert to fraction form
    458,208.90/632,331.66 = 254,260.62/x
  3. Step 3: Cross multiply
    458,208.90x = 632,331.66 × 254,260.62
  4. Step 4: Simplify right side
    458,208.90x = 160,777,039,917.23
  5. Step 5: Solve for x
    x = 160,777,039,917.23/458,208.90
  6. Step 6: Final answer
    x = 350,881.53

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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.