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Finding the Fourth Proportional to 475,998.82, 656,975.07 and 323,086.29

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Solution

The fourth proportional to 475,998.82, 656,975.07 and 323,086.29 is: 445,924.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,998.82 : 656,975.07 = 323,086.29 : x
  2. Step 2: Convert to fraction form
    475,998.82/656,975.07 = 323,086.29/x
  3. Step 3: Cross multiply
    475,998.82x = 656,975.07 × 323,086.29
  4. Step 4: Simplify right side
    475,998.82x = 212,259,637,988.79
  5. Step 5: Solve for x
    x = 212,259,637,988.79/475,998.82
  6. Step 6: Final answer
    x = 445,924.71

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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.