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Finding the Fourth Proportional to 454,417.09, 627,099.98 and 250,476.00

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Solution

The fourth proportional to 454,417.09, 627,099.98 and 250,476.00 is: 345,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,417.09 : 627,099.98 = 250,476.00 : x
  2. Step 2: Convert to fraction form
    454,417.09/627,099.98 = 250,476.00/x
  3. Step 3: Cross multiply
    454,417.09x = 627,099.98 × 250,476.00
  4. Step 4: Simplify right side
    454,417.09x = 157,073,490,986.48
  5. Step 5: Solve for x
    x = 157,073,490,986.48/454,417.09
  6. Step 6: Final answer
    x = 345,659.30

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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.