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Finding the Fourth Proportional to 454,378.32, 627,042.60 and 263,502.63

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Solution

The fourth proportional to 454,378.32, 627,042.60 and 263,502.63 is: 363,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,378.32 : 627,042.60 = 263,502.63 : x
  2. Step 2: Convert to fraction form
    454,378.32/627,042.60 = 263,502.63/x
  3. Step 3: Cross multiply
    454,378.32x = 627,042.60 × 263,502.63
  4. Step 4: Simplify right side
    454,378.32x = 165,227,374,222.04
  5. Step 5: Solve for x
    x = 165,227,374,222.04/454,378.32
  6. Step 6: Final answer
    x = 363,633.93

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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.