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Finding the Fourth Proportional to 345,527.64, 517,059.72 and 238,933.26

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Solution

The fourth proportional to 345,527.64, 517,059.72 and 238,933.26 is: 357,548.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,527.64 : 517,059.72 = 238,933.26 : x
  2. Step 2: Convert to fraction form
    345,527.64/517,059.72 = 238,933.26/x
  3. Step 3: Cross multiply
    345,527.64x = 517,059.72 × 238,933.26
  4. Step 4: Simplify right side
    345,527.64x = 123,542,764,514.29
  5. Step 5: Solve for x
    x = 123,542,764,514.29/345,527.64
  6. Step 6: Final answer
    x = 357,548.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.