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Finding the Fourth Proportional to 454,955.41, 627,840.62 and 251,008.75

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Solution

The fourth proportional to 454,955.41, 627,840.62 and 251,008.75 is: 346,393.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,955.41 : 627,840.62 = 251,008.75 : x
  2. Step 2: Convert to fraction form
    454,955.41/627,840.62 = 251,008.75/x
  3. Step 3: Cross multiply
    454,955.41x = 627,840.62 × 251,008.75
  4. Step 4: Simplify right side
    454,955.41x = 157,593,489,225.43
  5. Step 5: Solve for x
    x = 157,593,489,225.43/454,955.41
  6. Step 6: Final answer
    x = 346,393.26

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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.