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Finding the Fourth Proportional to 671,944.50, 927,283.41 and 370,138.50

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Solution

The fourth proportional to 671,944.50, 927,283.41 and 370,138.50 is: 510,791.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,944.50 : 927,283.41 = 370,138.50 : x
  2. Step 2: Convert to fraction form
    671,944.50/927,283.41 = 370,138.50/x
  3. Step 3: Cross multiply
    671,944.50x = 927,283.41 × 370,138.50
  4. Step 4: Simplify right side
    671,944.50x = 343,223,290,452.29
  5. Step 5: Solve for x
    x = 343,223,290,452.29/671,944.50
  6. Step 6: Final answer
    x = 510,791.13

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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.