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Finding the Fourth Proportional to 513,608.04, 770,576.10 and 247,395.48

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Solution

The fourth proportional to 513,608.04, 770,576.10 and 247,395.48 is: 371,172.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,608.04 : 770,576.10 = 247,395.48 : x
  2. Step 2: Convert to fraction form
    513,608.04/770,576.10 = 247,395.48/x
  3. Step 3: Cross multiply
    513,608.04x = 770,576.10 × 247,395.48
  4. Step 4: Simplify right side
    513,608.04x = 190,637,044,136.03
  5. Step 5: Solve for x
    x = 190,637,044,136.03/513,608.04
  6. Step 6: Final answer
    x = 371,172.24

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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.