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Finding the Fourth Proportional to 454,363.32, 627,021.90 and 263,487.63

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Solution

The fourth proportional to 454,363.32, 627,021.90 and 263,487.63 is: 363,613.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,363.32 : 627,021.90 = 263,487.63 : x
  2. Step 2: Convert to fraction form
    454,363.32/627,021.90 = 263,487.63/x
  3. Step 3: Cross multiply
    454,363.32x = 627,021.90 × 263,487.63
  4. Step 4: Simplify right side
    454,363.32x = 165,212,514,389.10
  5. Step 5: Solve for x
    x = 165,212,514,389.10/454,363.32
  6. Step 6: Final answer
    x = 363,613.23

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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.