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Finding the Fourth Proportional to 652,601.70, 978,610.95 and 253,109.70

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Solution

The fourth proportional to 652,601.70, 978,610.95 and 253,109.70 is: 379,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,601.70 : 978,610.95 = 253,109.70 : x
  2. Step 2: Convert to fraction form
    652,601.70/978,610.95 = 253,109.70/x
  3. Step 3: Cross multiply
    652,601.70x = 978,610.95 × 253,109.70
  4. Step 4: Simplify right side
    652,601.70x = 247,695,923,971.22
  5. Step 5: Solve for x
    x = 247,695,923,971.22/652,601.70
  6. Step 6: Final answer
    x = 379,551.45

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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.