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Finding the Fourth Proportional to 349,715.90, 524,833.05 and 231,347.90

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Solution

The fourth proportional to 349,715.90, 524,833.05 and 231,347.90 is: 347,193.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,715.90 : 524,833.05 = 231,347.90 : x
  2. Step 2: Convert to fraction form
    349,715.90/524,833.05 = 231,347.90/x
  3. Step 3: Cross multiply
    349,715.90x = 524,833.05 × 231,347.90
  4. Step 4: Simplify right side
    349,715.90x = 121,419,023,968.10
  5. Step 5: Solve for x
    x = 121,419,023,968.10/349,715.90
  6. Step 6: Final answer
    x = 347,193.32

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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.