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Finding the Fourth Proportional to 315,497.73, 435,396.48 and 179,551.23

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Solution

The fourth proportional to 315,497.73, 435,396.48 and 179,551.23 is: 247,786.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,497.73 : 435,396.48 = 179,551.23 : x
  2. Step 2: Convert to fraction form
    315,497.73/435,396.48 = 179,551.23/x
  3. Step 3: Cross multiply
    315,497.73x = 435,396.48 × 179,551.23
  4. Step 4: Simplify right side
    315,497.73x = 78,175,973,521.67
  5. Step 5: Solve for x
    x = 78,175,973,521.67/315,497.73
  6. Step 6: Final answer
    x = 247,786.17

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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.