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Finding the Fourth Proportional to 475,342.64, 655,727.46 and 322,329.08

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Solution

The fourth proportional to 475,342.64, 655,727.46 and 322,329.08 is: 444,647.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,342.64 : 655,727.46 = 322,329.08 : x
  2. Step 2: Convert to fraction form
    475,342.64/655,727.46 = 322,329.08/x
  3. Step 3: Cross multiply
    475,342.64x = 655,727.46 × 322,329.08
  4. Step 4: Simplify right side
    475,342.64x = 211,360,028,912.54
  5. Step 5: Solve for x
    x = 211,360,028,912.54/475,342.64
  6. Step 6: Final answer
    x = 444,647.74

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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.