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Finding the Fourth Proportional to 454,924.28, 627,830.34 and 251,014.56

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Solution

The fourth proportional to 454,924.28, 627,830.34 and 251,014.56 is: 346,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,924.28 : 627,830.34 = 251,014.56 : x
  2. Step 2: Convert to fraction form
    454,924.28/627,830.34 = 251,014.56/x
  3. Step 3: Cross multiply
    454,924.28x = 627,830.34 × 251,014.56
  4. Step 4: Simplify right side
    454,924.28x = 157,594,556,549.75
  5. Step 5: Solve for x
    x = 157,594,556,549.75/454,924.28
  6. Step 6: Final answer
    x = 346,419.31

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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.