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Finding the Fourth Proportional to 517,567.20, 776,375.10 and 162,592.80

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Solution

The fourth proportional to 517,567.20, 776,375.10 and 162,592.80 is: 243,896.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,567.20 : 776,375.10 = 162,592.80 : x
  2. Step 2: Convert to fraction form
    517,567.20/776,375.10 = 162,592.80/x
  3. Step 3: Cross multiply
    517,567.20x = 776,375.10 × 162,592.80
  4. Step 4: Simplify right side
    517,567.20x = 126,233,001,359.28
  5. Step 5: Solve for x
    x = 126,233,001,359.28/517,567.20
  6. Step 6: Final answer
    x = 243,896.83

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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.