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Finding the Fourth Proportional to 652,243.52, 978,356.18 and 226,089.56

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Solution

The fourth proportional to 652,243.52, 978,356.18 and 226,089.56 is: 339,131.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,243.52 : 978,356.18 = 226,089.56 : x
  2. Step 2: Convert to fraction form
    652,243.52/978,356.18 = 226,089.56/x
  3. Step 3: Cross multiply
    652,243.52x = 978,356.18 × 226,089.56
  4. Step 4: Simplify right side
    652,243.52x = 221,196,118,259.48
  5. Step 5: Solve for x
    x = 221,196,118,259.48/652,243.52
  6. Step 6: Final answer
    x = 339,131.19

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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.