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Finding the Fourth Proportional to 360,137.31, 540,149.16 and 226,608.81

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Solution

The fourth proportional to 360,137.31, 540,149.16 and 226,608.81 is: 339,877.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,137.31 : 540,149.16 = 226,608.81 : x
  2. Step 2: Convert to fraction form
    360,137.31/540,149.16 = 226,608.81/x
  3. Step 3: Cross multiply
    360,137.31x = 540,149.16 × 226,608.81
  4. Step 4: Simplify right side
    360,137.31x = 122,402,555,669.35
  5. Step 5: Solve for x
    x = 122,402,555,669.35/360,137.31
  6. Step 6: Final answer
    x = 339,877.47

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1.5x scale

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.