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Finding the Fourth Proportional to 649,393.14, 969,334.23 and 572,695.59

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Solution

The fourth proportional to 649,393.14, 969,334.23 and 572,695.59 is: 854,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,393.14 : 969,334.23 = 572,695.59 : x
  2. Step 2: Convert to fraction form
    649,393.14/969,334.23 = 572,695.59/x
  3. Step 3: Cross multiply
    649,393.14x = 969,334.23 × 572,695.59
  4. Step 4: Simplify right side
    649,393.14x = 555,133,438,757.05
  5. Step 5: Solve for x
    x = 555,133,438,757.05/649,393.14
  6. Step 6: Final answer
    x = 854,849.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.