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Finding the Fourth Proportional to 555,012.70, 832,008.75 and 199,939.89

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Solution

The fourth proportional to 555,012.70, 832,008.75 and 199,939.89 is: 299,726.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,012.70 : 832,008.75 = 199,939.89 : x
  2. Step 2: Convert to fraction form
    555,012.70/832,008.75 = 199,939.89/x
  3. Step 3: Cross multiply
    555,012.70x = 832,008.75 × 199,939.89
  4. Step 4: Simplify right side
    555,012.70x = 166,351,737,954.04
  5. Step 5: Solve for x
    x = 166,351,737,954.04/555,012.70
  6. Step 6: Final answer
    x = 299,726.00

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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.