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Finding the Fourth Proportional to 703,935.38, 972,232.67 and 477,187.22

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Solution

The fourth proportional to 703,935.38, 972,232.67 and 477,187.22 is: 659,061.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,935.38 : 972,232.67 = 477,187.22 : x
  2. Step 2: Convert to fraction form
    703,935.38/972,232.67 = 477,187.22/x
  3. Step 3: Cross multiply
    703,935.38x = 972,232.67 × 477,187.22
  4. Step 4: Simplify right side
    703,935.38x = 463,937,002,604.54
  5. Step 5: Solve for x
    x = 463,937,002,604.54/703,935.38
  6. Step 6: Final answer
    x = 659,061.92

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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.