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Finding the Fourth Proportional to 374,744.18, 517,134.06 and 213,651.11

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Solution

The fourth proportional to 374,744.18, 517,134.06 and 213,651.11 is: 294,831.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,744.18 : 517,134.06 = 213,651.11 : x
  2. Step 2: Convert to fraction form
    374,744.18/517,134.06 = 213,651.11/x
  3. Step 3: Cross multiply
    374,744.18x = 517,134.06 × 213,651.11
  4. Step 4: Simplify right side
    374,744.18x = 110,486,263,352.14
  5. Step 5: Solve for x
    x = 110,486,263,352.14/374,744.18
  6. Step 6: Final answer
    x = 294,831.17

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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.