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Finding the Fourth Proportional to 454,889.80, 627,778.92 and 263,903.14

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Solution

The fourth proportional to 454,889.80, 627,778.92 and 263,903.14 is: 364,204.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,889.80 : 627,778.92 = 263,903.14 : x
  2. Step 2: Convert to fraction form
    454,889.80/627,778.92 = 263,903.14/x
  3. Step 3: Cross multiply
    454,889.80x = 627,778.92 × 263,903.14
  4. Step 4: Simplify right side
    454,889.80x = 165,672,828,213.81
  5. Step 5: Solve for x
    x = 165,672,828,213.81/454,889.80
  6. Step 6: Final answer
    x = 364,204.32

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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.