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Finding the Fourth Proportional to 614,707.85, 848,301.66 and 342,793.37

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Solution

The fourth proportional to 614,707.85, 848,301.66 and 342,793.37 is: 473,057.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,707.85 : 848,301.66 = 342,793.37 : x
  2. Step 2: Convert to fraction form
    614,707.85/848,301.66 = 342,793.37/x
  3. Step 3: Cross multiply
    614,707.85x = 848,301.66 × 342,793.37
  4. Step 4: Simplify right side
    614,707.85x = 290,792,182,157.05
  5. Step 5: Solve for x
    x = 290,792,182,157.05/614,707.85
  6. Step 6: Final answer
    x = 473,057.54

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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.