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Finding the Fourth Proportional to 454,203.79, 681,411.21 and 154,686.97

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Solution

The fourth proportional to 454,203.79, 681,411.21 and 154,686.97 is: 232,066.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,203.79 : 681,411.21 = 154,686.97 : x
  2. Step 2: Convert to fraction form
    454,203.79/681,411.21 = 154,686.97/x
  3. Step 3: Cross multiply
    454,203.79x = 681,411.21 × 154,686.97
  4. Step 4: Simplify right side
    454,203.79x = 105,405,435,398.93
  5. Step 5: Solve for x
    x = 105,405,435,398.93/454,203.79
  6. Step 6: Final answer
    x = 232,066.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.