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Finding the Fourth Proportional to 454,347.45, 627,003.72 and 250,405.65

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Solution

The fourth proportional to 454,347.45, 627,003.72 and 250,405.65 is: 345,562.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,347.45 : 627,003.72 = 250,405.65 : x
  2. Step 2: Convert to fraction form
    454,347.45/627,003.72 = 250,405.65/x
  3. Step 3: Cross multiply
    454,347.45x = 627,003.72 × 250,405.65
  4. Step 4: Simplify right side
    454,347.45x = 157,005,274,059.02
  5. Step 5: Solve for x
    x = 157,005,274,059.02/454,347.45
  6. Step 6: Final answer
    x = 345,562.13

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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.