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Finding the Fourth Proportional to 345,344.70, 476,568.48 and 192,382.68

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Solution

The fourth proportional to 345,344.70, 476,568.48 and 192,382.68 is: 265,484.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,344.70 : 476,568.48 = 192,382.68 : x
  2. Step 2: Convert to fraction form
    345,344.70/476,568.48 = 192,382.68/x
  3. Step 3: Cross multiply
    345,344.70x = 476,568.48 × 192,382.68
  4. Step 4: Simplify right side
    345,344.70x = 91,683,521,385.93
  5. Step 5: Solve for x
    x = 91,683,521,385.93/345,344.70
  6. Step 6: Final answer
    x = 265,484.08

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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.