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Finding the Fourth Proportional to 614,791.85, 848,411.07 and 342,860.03

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Solution

The fourth proportional to 614,791.85, 848,411.07 and 342,860.03 is: 473,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,791.85 : 848,411.07 = 342,860.03 : x
  2. Step 2: Convert to fraction form
    614,791.85/848,411.07 = 342,860.03/x
  3. Step 3: Cross multiply
    614,791.85x = 848,411.07 × 342,860.03
  4. Step 4: Simplify right side
    614,791.85x = 290,886,244,912.53
  5. Step 5: Solve for x
    x = 290,886,244,912.53/614,791.85
  6. Step 6: Final answer
    x = 473,145.90

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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.