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Finding the Fourth Proportional to 270,699.50, 373,559.90 and 149,840.76

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Solution

The fourth proportional to 270,699.50, 373,559.90 and 149,840.76 is: 206,777.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,699.50 : 373,559.90 = 149,840.76 : x
  2. Step 2: Convert to fraction form
    270,699.50/373,559.90 = 149,840.76/x
  3. Step 3: Cross multiply
    270,699.50x = 373,559.90 × 149,840.76
  4. Step 4: Simplify right side
    270,699.50x = 55,974,499,321.52
  5. Step 5: Solve for x
    x = 55,974,499,321.52/270,699.50
  6. Step 6: Final answer
    x = 206,777.25

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1.5x scale

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.