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Finding the Fourth Proportional to 375,640.44, 563,526.26 and 165,272.91

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Solution

The fourth proportional to 375,640.44, 563,526.26 and 165,272.91 is: 247,938.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,640.44 : 563,526.26 = 165,272.91 : x
  2. Step 2: Convert to fraction form
    375,640.44/563,526.26 = 165,272.91/x
  3. Step 3: Cross multiply
    375,640.44x = 563,526.26 × 165,272.91
  4. Step 4: Simplify right side
    375,640.44x = 93,135,623,461.46
  5. Step 5: Solve for x
    x = 93,135,623,461.46/375,640.44
  6. Step 6: Final answer
    x = 247,938.23

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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.