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Finding the Fourth Proportional to 349,764.90, 524,906.55 and 231,396.90

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Solution

The fourth proportional to 349,764.90, 524,906.55 and 231,396.90 is: 347,266.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,764.90 : 524,906.55 = 231,396.90 : x
  2. Step 2: Convert to fraction form
    349,764.90/524,906.55 = 231,396.90/x
  3. Step 3: Cross multiply
    349,764.90x = 524,906.55 × 231,396.90
  4. Step 4: Simplify right side
    349,764.90x = 121,461,748,459.70
  5. Step 5: Solve for x
    x = 121,461,748,459.70/349,764.90
  6. Step 6: Final answer
    x = 347,266.83

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1.5x scale

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.