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Finding the Fourth Proportional to 652,069.55, 978,104.33 and 202,818.80

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Solution

The fourth proportional to 652,069.55, 978,104.33 and 202,818.80 is: 304,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,069.55 : 978,104.33 = 202,818.80 : x
  2. Step 2: Convert to fraction form
    652,069.55/978,104.33 = 202,818.80/x
  3. Step 3: Cross multiply
    652,069.55x = 978,104.33 × 202,818.80
  4. Step 4: Simplify right side
    652,069.55x = 198,377,946,485.40
  5. Step 5: Solve for x
    x = 198,377,946,485.40/652,069.55
  6. Step 6: Final answer
    x = 304,228.20

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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.