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Finding the Fourth Proportional to 375,647.83, 563,537.34 and 165,280.30

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Solution

The fourth proportional to 375,647.83, 563,537.34 and 165,280.30 is: 247,949.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,647.83 : 563,537.34 = 165,280.30 : x
  2. Step 2: Convert to fraction form
    375,647.83/563,537.34 = 165,280.30/x
  3. Step 3: Cross multiply
    375,647.83x = 563,537.34 × 165,280.30
  4. Step 4: Simplify right side
    375,647.83x = 93,141,620,616.40
  5. Step 5: Solve for x
    x = 93,141,620,616.40/375,647.83
  6. Step 6: Final answer
    x = 247,949.31

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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.