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Finding the Fourth Proportional to 719,850.36, 993,308.83 and 397,541.24

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Solution

The fourth proportional to 719,850.36, 993,308.83 and 397,541.24 is: 548,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,850.36 : 993,308.83 = 397,541.24 : x
  2. Step 2: Convert to fraction form
    719,850.36/993,308.83 = 397,541.24/x
  3. Step 3: Cross multiply
    719,850.36x = 993,308.83 × 397,541.24
  4. Step 4: Simplify right side
    719,850.36x = 394,881,223,981.15
  5. Step 5: Solve for x
    x = 394,881,223,981.15/719,850.36
  6. Step 6: Final answer
    x = 548,560.15

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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.