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Finding the Fourth Proportional to 374,471.29, 516,773.82 and 213,323.95

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Solution

The fourth proportional to 374,471.29, 516,773.82 and 213,323.95 is: 294,389.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,471.29 : 516,773.82 = 213,323.95 : x
  2. Step 2: Convert to fraction form
    374,471.29/516,773.82 = 213,323.95/x
  3. Step 3: Cross multiply
    374,471.29x = 516,773.82 × 213,323.95
  4. Step 4: Simplify right side
    374,471.29x = 110,240,232,538.99
  5. Step 5: Solve for x
    x = 110,240,232,538.99/374,471.29
  6. Step 6: Final answer
    x = 294,389.01

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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.