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Finding the Fourth Proportional to 652,515.50, 979,130.00 and 253,172.03

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Solution

The fourth proportional to 652,515.50, 979,130.00 and 253,172.03 is: 379,896.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,515.50 : 979,130.00 = 253,172.03 : x
  2. Step 2: Convert to fraction form
    652,515.50/979,130.00 = 253,172.03/x
  3. Step 3: Cross multiply
    652,515.50x = 979,130.00 × 253,172.03
  4. Step 4: Simplify right side
    652,515.50x = 247,888,330,266.74
  5. Step 5: Solve for x
    x = 247,888,330,266.74/652,515.50
  6. Step 6: Final answer
    x = 379,896.46

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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.