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Finding the Fourth Proportional to 555,343.21, 832,849.76 and 235,490.36

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Solution

The fourth proportional to 555,343.21, 832,849.76 and 235,490.36 is: 353,165.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,343.21 : 832,849.76 = 235,490.36 : x
  2. Step 2: Convert to fraction form
    555,343.21/832,849.76 = 235,490.36/x
  3. Step 3: Cross multiply
    555,343.21x = 832,849.76 × 235,490.36
  4. Step 4: Simplify right side
    555,343.21x = 196,128,086,232.79
  5. Step 5: Solve for x
    x = 196,128,086,232.79/555,343.21
  6. Step 6: Final answer
    x = 353,165.54

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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.