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Finding the Fourth Proportional to 671,863.68, 927,171.72 and 370,057.68

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Solution

The fourth proportional to 671,863.68, 927,171.72 and 370,057.68 is: 510,679.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,863.68 : 927,171.72 = 370,057.68 : x
  2. Step 2: Convert to fraction form
    671,863.68/927,171.72 = 370,057.68/x
  3. Step 3: Cross multiply
    671,863.68x = 927,171.72 × 370,057.68
  4. Step 4: Simplify right side
    671,863.68x = 343,107,015,664.81
  5. Step 5: Solve for x
    x = 343,107,015,664.81/671,863.68
  6. Step 6: Final answer
    x = 510,679.51

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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.