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Finding the Fourth Proportional to 333,553.98, 499,911.80 and 238,288.26

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Solution

The fourth proportional to 333,553.98, 499,911.80 and 238,288.26 is: 357,132.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,553.98 : 499,911.80 = 238,288.26 : x
  2. Step 2: Convert to fraction form
    333,553.98/499,911.80 = 238,288.26/x
  3. Step 3: Cross multiply
    333,553.98x = 499,911.80 × 238,288.26
  4. Step 4: Simplify right side
    333,553.98x = 119,123,112,975.47
  5. Step 5: Solve for x
    x = 119,123,112,975.47/333,553.98
  6. Step 6: Final answer
    x = 357,132.94

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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.