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Finding the Fourth Proportional to 671,861.84, 927,169.31 and 370,055.84

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Solution

The fourth proportional to 671,861.84, 927,169.31 and 370,055.84 is: 510,677.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,861.84 : 927,169.31 = 370,055.84 : x
  2. Step 2: Convert to fraction form
    671,861.84/927,169.31 = 370,055.84/x
  3. Step 3: Cross multiply
    671,861.84x = 927,169.31 × 370,055.84
  4. Step 4: Simplify right side
    671,861.84x = 343,104,414,123.56
  5. Step 5: Solve for x
    x = 343,104,414,123.56/671,861.84
  6. Step 6: Final answer
    x = 510,677.04

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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.