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Finding the Fourth Proportional to 295,863.60, 442,920.60 and 264,370.80

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Solution

The fourth proportional to 295,863.60, 442,920.60 and 264,370.80 is: 395,774.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,863.60 : 442,920.60 = 264,370.80 : x
  2. Step 2: Convert to fraction form
    295,863.60/442,920.60 = 264,370.80/x
  3. Step 3: Cross multiply
    295,863.60x = 442,920.60 × 264,370.80
  4. Step 4: Simplify right side
    295,863.60x = 117,095,273,358.48
  5. Step 5: Solve for x
    x = 117,095,273,358.48/295,863.60
  6. Step 6: Final answer
    x = 395,774.52

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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.