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Finding the Fourth Proportional to 484,013.80, 726,020.70 and 350,266.60

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Solution

The fourth proportional to 484,013.80, 726,020.70 and 350,266.60 is: 525,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,013.80 : 726,020.70 = 350,266.60 : x
  2. Step 2: Convert to fraction form
    484,013.80/726,020.70 = 350,266.60/x
  3. Step 3: Cross multiply
    484,013.80x = 726,020.70 × 350,266.60
  4. Step 4: Simplify right side
    484,013.80x = 254,300,802,118.62
  5. Step 5: Solve for x
    x = 254,300,802,118.62/484,013.80
  6. Step 6: Final answer
    x = 525,399.90

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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.