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Finding the Fourth Proportional to 377,059.28, 565,270.25 and 163,665.79

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Solution

The fourth proportional to 377,059.28, 565,270.25 and 163,665.79 is: 245,360.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,059.28 : 565,270.25 = 163,665.79 : x
  2. Step 2: Convert to fraction form
    377,059.28/565,270.25 = 163,665.79/x
  3. Step 3: Cross multiply
    377,059.28x = 565,270.25 × 163,665.79
  4. Step 4: Simplify right side
    377,059.28x = 92,515,399,798.24
  5. Step 5: Solve for x
    x = 92,515,399,798.24/377,059.28
  6. Step 6: Final answer
    x = 245,360.36

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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.