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Finding the Fourth Proportional to 461,713.80, 691,404.30 and 368,401.80

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Solution

The fourth proportional to 461,713.80, 691,404.30 and 368,401.80 is: 551,672.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,713.80 : 691,404.30 = 368,401.80 : x
  2. Step 2: Convert to fraction form
    461,713.80/691,404.30 = 368,401.80/x
  3. Step 3: Cross multiply
    461,713.80x = 691,404.30 × 368,401.80
  4. Step 4: Simplify right side
    461,713.80x = 254,714,588,647.74
  5. Step 5: Solve for x
    x = 254,714,588,647.74/461,713.80
  6. Step 6: Final answer
    x = 551,672.03

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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.