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Finding the Fourth Proportional to 555,011.76, 832,007.34 and 199,938.95

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Solution

The fourth proportional to 555,011.76, 832,007.34 and 199,938.95 is: 299,724.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,011.76 : 832,007.34 = 199,938.95 : x
  2. Step 2: Convert to fraction form
    555,011.76/832,007.34 = 199,938.95/x
  3. Step 3: Cross multiply
    555,011.76x = 832,007.34 × 199,938.95
  4. Step 4: Simplify right side
    555,011.76x = 166,350,672,371.72
  5. Step 5: Solve for x
    x = 166,350,672,371.72/555,011.76
  6. Step 6: Final answer
    x = 299,724.59

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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.