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Finding the Fourth Proportional to 537,866.46, 806,665.23 and 158,711.94

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Solution

The fourth proportional to 537,866.46, 806,665.23 and 158,711.94 is: 238,028.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,866.46 : 806,665.23 = 158,711.94 : x
  2. Step 2: Convert to fraction form
    537,866.46/806,665.23 = 158,711.94/x
  3. Step 3: Cross multiply
    537,866.46x = 806,665.23 × 158,711.94
  4. Step 4: Simplify right side
    537,866.46x = 128,027,403,583.85
  5. Step 5: Solve for x
    x = 128,027,403,583.85/537,866.46
  6. Step 6: Final answer
    x = 238,028.23

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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.