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Finding the Fourth Proportional to 652,244.70, 978,367.05 and 534,146.70

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Solution

The fourth proportional to 652,244.70, 978,367.05 and 534,146.70 is: 801,220.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,244.70 : 978,367.05 = 534,146.70 : x
  2. Step 2: Convert to fraction form
    652,244.70/978,367.05 = 534,146.70/x
  3. Step 3: Cross multiply
    652,244.70x = 978,367.05 × 534,146.70
  4. Step 4: Simplify right side
    652,244.70x = 522,591,531,146.24
  5. Step 5: Solve for x
    x = 522,591,531,146.24/652,244.70
  6. Step 6: Final answer
    x = 801,220.05

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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.