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Finding the Fourth Proportional to 523,191.82, 784,388.56 and 238,683.40

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Solution

The fourth proportional to 523,191.82, 784,388.56 and 238,683.40 is: 357,843.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,191.82 : 784,388.56 = 238,683.40 : x
  2. Step 2: Convert to fraction form
    523,191.82/784,388.56 = 238,683.40/x
  3. Step 3: Cross multiply
    523,191.82x = 784,388.56 × 238,683.40
  4. Step 4: Simplify right side
    523,191.82x = 187,220,531,395.24
  5. Step 5: Solve for x
    x = 187,220,531,395.24/523,191.82
  6. Step 6: Final answer
    x = 357,843.00

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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.