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Finding the Fourth Proportional to 376,077.90, 564,246.45 and 165,866.70

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Solution

The fourth proportional to 376,077.90, 564,246.45 and 165,866.70 is: 248,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,077.90 : 564,246.45 = 165,866.70 : x
  2. Step 2: Convert to fraction form
    376,077.90/564,246.45 = 165,866.70/x
  3. Step 3: Cross multiply
    376,077.90x = 564,246.45 × 165,866.70
  4. Step 4: Simplify right side
    376,077.90x = 93,589,696,648.22
  5. Step 5: Solve for x
    x = 93,589,696,648.22/376,077.90
  6. Step 6: Final answer
    x = 248,857.21

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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.