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Finding the Fourth Proportional to 702,958.60, 969,844.80 and 461,218.60

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Solution

The fourth proportional to 702,958.60, 969,844.80 and 461,218.60 is: 636,325.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,958.60 : 969,844.80 = 461,218.60 : x
  2. Step 2: Convert to fraction form
    702,958.60/969,844.80 = 461,218.60/x
  3. Step 3: Cross multiply
    702,958.60x = 969,844.80 × 461,218.60
  4. Step 4: Simplify right side
    702,958.60x = 447,310,460,873.28
  5. Step 5: Solve for x
    x = 447,310,460,873.28/702,958.60
  6. Step 6: Final answer
    x = 636,325.47

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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.