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Finding the Fourth Proportional to 375,452.80, 563,252.70 and 165,090.13

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Solution

The fourth proportional to 375,452.80, 563,252.70 and 165,090.13 is: 247,667.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,452.80 : 563,252.70 = 165,090.13 : x
  2. Step 2: Convert to fraction form
    375,452.80/563,252.70 = 165,090.13/x
  3. Step 3: Cross multiply
    375,452.80x = 563,252.70 × 165,090.13
  4. Step 4: Simplify right side
    375,452.80x = 92,987,461,465.85
  5. Step 5: Solve for x
    x = 92,987,461,465.85/375,452.80
  6. Step 6: Final answer
    x = 247,667.51

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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.