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Finding the Fourth Proportional to 374,937.99, 517,414.46 and 205,172.13

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Solution

The fourth proportional to 374,937.99, 517,414.46 and 205,172.13 is: 283,137.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,937.99 : 517,414.46 = 205,172.13 : x
  2. Step 2: Convert to fraction form
    374,937.99/517,414.46 = 205,172.13/x
  3. Step 3: Cross multiply
    374,937.99x = 517,414.46 × 205,172.13
  4. Step 4: Simplify right side
    374,937.99x = 106,159,024,776.86
  5. Step 5: Solve for x
    x = 106,159,024,776.86/374,937.99
  6. Step 6: Final answer
    x = 283,137.56

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1.5x scale

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.