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Finding the Fourth Proportional to 375,453.80, 563,254.20 and 165,091.13

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Solution

The fourth proportional to 375,453.80, 563,254.20 and 165,091.13 is: 247,669.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,453.80 : 563,254.20 = 165,091.13 : x
  2. Step 2: Convert to fraction form
    375,453.80/563,254.20 = 165,091.13/x
  3. Step 3: Cross multiply
    375,453.80x = 563,254.20 × 165,091.13
  4. Step 4: Simplify right side
    375,453.80x = 92,988,269,538.98
  5. Step 5: Solve for x
    x = 92,988,269,538.98/375,453.80
  6. Step 6: Final answer
    x = 247,669.01

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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.