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Finding the Fourth Proportional to 652,516.50, 979,131.50 and 253,173.03

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Solution

The fourth proportional to 652,516.50, 979,131.50 and 253,173.03 is: 379,897.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,516.50 : 979,131.50 = 253,173.03 : x
  2. Step 2: Convert to fraction form
    652,516.50/979,131.50 = 253,173.03/x
  3. Step 3: Cross multiply
    652,516.50x = 979,131.50 × 253,173.03
  4. Step 4: Simplify right side
    652,516.50x = 247,889,688,623.45
  5. Step 5: Solve for x
    x = 247,889,688,623.45/652,516.50
  6. Step 6: Final answer
    x = 379,897.97

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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.