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Finding the Fourth Proportional to 654,170.76, 902,781.24 and 367,689.96

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Solution

The fourth proportional to 654,170.76, 902,781.24 and 367,689.96 is: 507,426.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,170.76 : 902,781.24 = 367,689.96 : x
  2. Step 2: Convert to fraction form
    654,170.76/902,781.24 = 367,689.96/x
  3. Step 3: Cross multiply
    654,170.76x = 902,781.24 × 367,689.96
  4. Step 4: Simplify right side
    654,170.76x = 331,943,598,024.35
  5. Step 5: Solve for x
    x = 331,943,598,024.35/654,170.76
  6. Step 6: Final answer
    x = 507,426.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.