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Finding the Fourth Proportional to 454,379.22, 627,017.73 and 250,429.50

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Solution

The fourth proportional to 454,379.22, 627,017.73 and 250,429.50 is: 345,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,379.22 : 627,017.73 = 250,429.50 : x
  2. Step 2: Convert to fraction form
    454,379.22/627,017.73 = 250,429.50/x
  3. Step 3: Cross multiply
    454,379.22x = 627,017.73 × 250,429.50
  4. Step 4: Simplify right side
    454,379.22x = 157,023,736,615.04
  5. Step 5: Solve for x
    x = 157,023,736,615.04/454,379.22
  6. Step 6: Final answer
    x = 345,578.60

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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.