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Finding the Fourth Proportional to 423,239.56, 633,343.62 and 366,510

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Solution

The fourth proportional to 423,239.56, 633,343.62 and 366,510 is: 548,452.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,239.56 : 633,343.62 = 366,510 : x
  2. Step 2: Convert to fraction form
    423,239.56/633,343.62 = 366,510/x
  3. Step 3: Cross multiply
    423,239.56x = 633,343.62 × 366,510
  4. Step 4: Simplify right side
    423,239.56x = 232,126,770,166.20
  5. Step 5: Solve for x
    x = 232,126,770,166.20/423,239.56
  6. Step 6: Final answer
    x = 548,452.44

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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.