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Finding the Fourth Proportional to 349,647.63, 524,471.45 and 231,291.29

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Solution

The fourth proportional to 349,647.63, 524,471.45 and 231,291.29 is: 346,936.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,647.63 : 524,471.45 = 231,291.29 : x
  2. Step 2: Convert to fraction form
    349,647.63/524,471.45 = 231,291.29/x
  3. Step 3: Cross multiply
    349,647.63x = 524,471.45 × 231,291.29
  4. Step 4: Simplify right side
    349,647.63x = 121,305,674,459.86
  5. Step 5: Solve for x
    x = 121,305,674,459.86/349,647.63
  6. Step 6: Final answer
    x = 346,936.93

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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.