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Finding the Fourth Proportional to 375,453.30, 563,253.45 and 165,090.63

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Solution

The fourth proportional to 375,453.30, 563,253.45 and 165,090.63 is: 247,668.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,453.30 : 563,253.45 = 165,090.63 : x
  2. Step 2: Convert to fraction form
    375,453.30/563,253.45 = 165,090.63/x
  3. Step 3: Cross multiply
    375,453.30x = 563,253.45 × 165,090.63
  4. Step 4: Simplify right side
    375,453.30x = 92,987,866,910.17
  5. Step 5: Solve for x
    x = 92,987,866,910.17/375,453.30
  6. Step 6: Final answer
    x = 247,668.26

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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.