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Finding the Fourth Proportional to 349,693.63, 524,540.45 and 231,337.28

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Solution

The fourth proportional to 349,693.63, 524,540.45 and 231,337.28 is: 347,005.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,693.63 : 524,540.45 = 231,337.28 : x
  2. Step 2: Convert to fraction form
    349,693.63/524,540.45 = 231,337.28/x
  3. Step 3: Cross multiply
    349,693.63x = 524,540.45 × 231,337.28
  4. Step 4: Simplify right side
    349,693.63x = 121,345,762,842.67
  5. Step 5: Solve for x
    x = 121,345,762,842.67/349,693.63
  6. Step 6: Final answer
    x = 347,005.93

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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.