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Finding the Fourth Proportional to 345,452.65, 476,712.07 and 192,482.93

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Solution

The fourth proportional to 345,452.65, 476,712.07 and 192,482.93 is: 265,619.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,452.65 : 476,712.07 = 192,482.93 : x
  2. Step 2: Convert to fraction form
    345,452.65/476,712.07 = 192,482.93/x
  3. Step 3: Cross multiply
    345,452.65x = 476,712.07 × 192,482.93
  4. Step 4: Simplify right side
    345,452.65x = 91,758,936,710.54
  5. Step 5: Solve for x
    x = 91,758,936,710.54/345,452.65
  6. Step 6: Final answer
    x = 265,619.43

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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.