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Finding the Fourth Proportional to 349,340.16, 523,571.76 and 149,425.56

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Solution

The fourth proportional to 349,340.16, 523,571.76 and 149,425.56 is: 223,950.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,340.16 : 523,571.76 = 149,425.56 : x
  2. Step 2: Convert to fraction form
    349,340.16/523,571.76 = 149,425.56/x
  3. Step 3: Cross multiply
    349,340.16x = 523,571.76 × 149,425.56
  4. Step 4: Simplify right side
    349,340.16x = 78,235,003,438.19
  5. Step 5: Solve for x
    x = 78,235,003,438.19/349,340.16
  6. Step 6: Final answer
    x = 223,950.79

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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.