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Finding the Fourth Proportional to 555,264.48, 832,899 and 155,908.56

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Solution

The fourth proportional to 555,264.48, 832,899 and 155,908.56 is: 233,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,264.48 : 832,899 = 155,908.56 : x
  2. Step 2: Convert to fraction form
    555,264.48/832,899 = 155,908.56/x
  3. Step 3: Cross multiply
    555,264.48x = 832,899 × 155,908.56
  4. Step 4: Simplify right side
    555,264.48x = 129,856,083,715.44
  5. Step 5: Solve for x
    x = 129,856,083,715.44/555,264.48
  6. Step 6: Final answer
    x = 233,863.48

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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.