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Finding the Fourth Proportional to 349,239.88, 523,421.77 and 149,325.60

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Solution

The fourth proportional to 349,239.88, 523,421.77 and 149,325.60 is: 223,801.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,239.88 : 523,421.77 = 149,325.60 : x
  2. Step 2: Convert to fraction form
    349,239.88/523,421.77 = 149,325.60/x
  3. Step 3: Cross multiply
    349,239.88x = 523,421.77 × 149,325.60
  4. Step 4: Simplify right side
    349,239.88x = 78,160,269,858.31
  5. Step 5: Solve for x
    x = 78,160,269,858.31/349,239.88
  6. Step 6: Final answer
    x = 223,801.10

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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.