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Finding the Fourth Proportional to 345,261.91, 476,459.96 and 192,301.91

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Solution

The fourth proportional to 345,261.91, 476,459.96 and 192,301.91 is: 265,375.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,261.91 : 476,459.96 = 192,301.91 : x
  2. Step 2: Convert to fraction form
    345,261.91/476,459.96 = 192,301.91/x
  3. Step 3: Cross multiply
    345,261.91x = 476,459.96 × 192,301.91
  4. Step 4: Simplify right side
    345,261.91x = 91,624,160,576.16
  5. Step 5: Solve for x
    x = 91,624,160,576.16/345,261.91
  6. Step 6: Final answer
    x = 265,375.82

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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.