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Finding the Fourth Proportional to 295,258.60, 442,844.70 and 84,874.60

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Solution

The fourth proportional to 295,258.60, 442,844.70 and 84,874.60 is: 127,299.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,258.60 : 442,844.70 = 84,874.60 : x
  2. Step 2: Convert to fraction form
    295,258.60/442,844.70 = 84,874.60/x
  3. Step 3: Cross multiply
    295,258.60x = 442,844.70 × 84,874.60
  4. Step 4: Simplify right side
    295,258.60x = 37,586,266,774.62
  5. Step 5: Solve for x
    x = 37,586,266,774.62/295,258.60
  6. Step 6: Final answer
    x = 127,299.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.