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Finding the Fourth Proportional to 374,181.93, 516,363.05 and 213,034.66

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Solution

The fourth proportional to 374,181.93, 516,363.05 and 213,034.66 is: 293,983.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,181.93 : 516,363.05 = 213,034.66 : x
  2. Step 2: Convert to fraction form
    374,181.93/516,363.05 = 213,034.66/x
  3. Step 3: Cross multiply
    374,181.93x = 516,363.05 × 213,034.66
  4. Step 4: Simplify right side
    374,181.93x = 110,003,226,034.99
  5. Step 5: Solve for x
    x = 110,003,226,034.99/374,181.93
  6. Step 6: Final answer
    x = 293,983.27

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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.