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Finding the Fourth Proportional to 337,212.32, 505,806.80 and 84,495.02

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Solution

The fourth proportional to 337,212.32, 505,806.80 and 84,495.02 is: 126,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,212.32 : 505,806.80 = 84,495.02 : x
  2. Step 2: Convert to fraction form
    337,212.32/505,806.80 = 84,495.02/x
  3. Step 3: Cross multiply
    337,212.32x = 505,806.80 × 84,495.02
  4. Step 4: Simplify right side
    337,212.32x = 42,738,152,730.63
  5. Step 5: Solve for x
    x = 42,738,152,730.63/337,212.32
  6. Step 6: Final answer
    x = 126,739.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.