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Finding the Fourth Proportional to 371,796.27, 513,077.52 and 210,682.11

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Solution

The fourth proportional to 371,796.27, 513,077.52 and 210,682.11 is: 290,740.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,796.27 : 513,077.52 = 210,682.11 : x
  2. Step 2: Convert to fraction form
    371,796.27/513,077.52 = 210,682.11/x
  3. Step 3: Cross multiply
    371,796.27x = 513,077.52 × 210,682.11
  4. Step 4: Simplify right side
    371,796.27x = 108,096,254,507.17
  5. Step 5: Solve for x
    x = 108,096,254,507.17/371,796.27
  6. Step 6: Final answer
    x = 290,740.56

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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.