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Finding the Fourth Proportional to 334,336.80, 501,499.92 and 134,652.48

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Solution

The fourth proportional to 334,336.80, 501,499.92 and 134,652.48 is: 201,976.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,336.80 : 501,499.92 = 134,652.48 : x
  2. Step 2: Convert to fraction form
    334,336.80/501,499.92 = 134,652.48/x
  3. Step 3: Cross multiply
    334,336.80x = 501,499.92 × 134,652.48
  4. Step 4: Simplify right side
    334,336.80x = 67,528,207,947.80
  5. Step 5: Solve for x
    x = 67,528,207,947.80/334,336.80
  6. Step 6: Final answer
    x = 201,976.59

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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.