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Finding the Fourth Proportional to 555,021.43, 832,461.92 and 175,945.82

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Solution

The fourth proportional to 555,021.43, 832,461.92 and 175,945.82 is: 263,896.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,021.43 : 832,461.92 = 175,945.82 : x
  2. Step 2: Convert to fraction form
    555,021.43/832,461.92 = 175,945.82/x
  3. Step 3: Cross multiply
    555,021.43x = 832,461.92 × 175,945.82
  4. Step 4: Simplify right side
    555,021.43x = 146,468,195,133.17
  5. Step 5: Solve for x
    x = 146,468,195,133.17/555,021.43
  6. Step 6: Final answer
    x = 263,896.47

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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.