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Finding the Fourth Proportional to 702,958.16, 969,844.20 and 461,218.16

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Solution

The fourth proportional to 702,958.16, 969,844.20 and 461,218.16 is: 636,324.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,958.16 : 969,844.20 = 461,218.16 : x
  2. Step 2: Convert to fraction form
    702,958.16/969,844.20 = 461,218.16/x
  3. Step 3: Cross multiply
    702,958.16x = 969,844.20 × 461,218.16
  4. Step 4: Simplify right side
    702,958.16x = 447,309,758,105.71
  5. Step 5: Solve for x
    x = 447,309,758,105.71/702,958.16
  6. Step 6: Final answer
    x = 636,324.87

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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.