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Finding the Fourth Proportional to 345,580.56, 476,843.36 and 192,585.20

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Solution

The fourth proportional to 345,580.56, 476,843.36 and 192,585.20 is: 265,735.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,580.56 : 476,843.36 = 192,585.20 : x
  2. Step 2: Convert to fraction form
    345,580.56/476,843.36 = 192,585.20/x
  3. Step 3: Cross multiply
    345,580.56x = 476,843.36 × 192,585.20
  4. Step 4: Simplify right side
    345,580.56x = 91,832,970,507.13
  5. Step 5: Solve for x
    x = 91,832,970,507.13/345,580.56
  6. Step 6: Final answer
    x = 265,735.35

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1.5x scale

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.