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Finding the Fourth Proportional to 367,570.80, 551,064.60 and 201,358.80

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Solution

The fourth proportional to 367,570.80, 551,064.60 and 201,358.80 is: 301,878.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,570.80 : 551,064.60 = 201,358.80 : x
  2. Step 2: Convert to fraction form
    367,570.80/551,064.60 = 201,358.80/x
  3. Step 3: Cross multiply
    367,570.80x = 551,064.60 × 201,358.80
  4. Step 4: Simplify right side
    367,570.80x = 110,961,706,578.48
  5. Step 5: Solve for x
    x = 110,961,706,578.48/367,570.80
  6. Step 6: Final answer
    x = 301,878.46

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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.