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Finding the Fourth Proportional to 454,424.38, 627,109.82 and 250,483.13

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Solution

The fourth proportional to 454,424.38, 627,109.82 and 250,483.13 is: 345,669.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,424.38 : 627,109.82 = 250,483.13 : x
  2. Step 2: Convert to fraction form
    454,424.38/627,109.82 = 250,483.13/x
  3. Step 3: Cross multiply
    454,424.38x = 627,109.82 × 250,483.13
  4. Step 4: Simplify right side
    454,424.38x = 157,080,430,879.31
  5. Step 5: Solve for x
    x = 157,080,430,879.31/454,424.38
  6. Step 6: Final answer
    x = 345,669.02

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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.