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Finding the Fourth Proportional to 719,593.56, 993,054.59 and 397,324.02

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Solution

The fourth proportional to 719,593.56, 993,054.59 and 397,324.02 is: 548,315.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,593.56 : 993,054.59 = 397,324.02 : x
  2. Step 2: Convert to fraction form
    719,593.56/993,054.59 = 397,324.02/x
  3. Step 3: Cross multiply
    719,593.56x = 993,054.59 × 397,324.02
  4. Step 4: Simplify right side
    719,593.56x = 394,564,439,791.63
  5. Step 5: Solve for x
    x = 394,564,439,791.63/719,593.56
  6. Step 6: Final answer
    x = 548,315.69

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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.