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Finding the Fourth Proportional to 591,318.24, 816,019.92 and 323,046.24

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Solution

The fourth proportional to 591,318.24, 816,019.92 and 323,046.24 is: 445,804.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,318.24 : 816,019.92 = 323,046.24 : x
  2. Step 2: Convert to fraction form
    591,318.24/816,019.92 = 323,046.24/x
  3. Step 3: Cross multiply
    591,318.24x = 816,019.92 × 323,046.24
  4. Step 4: Simplify right side
    591,318.24x = 263,612,166,921.10
  5. Step 5: Solve for x
    x = 263,612,166,921.10/591,318.24
  6. Step 6: Final answer
    x = 445,804.22

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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.