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Finding the Fourth Proportional to 966,297.60, 1,449,640.80 and 335,080.80

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Solution

The fourth proportional to 966,297.60, 1,449,640.80 and 335,080.80 is: 502,688.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,297.60 : 1,449,640.80 = 335,080.80 : x
  2. Step 2: Convert to fraction form
    966,297.60/1,449,640.80 = 335,080.80/x
  3. Step 3: Cross multiply
    966,297.60x = 1,449,640.80 × 335,080.80
  4. Step 4: Simplify right side
    966,297.60x = 485,746,798,976.64
  5. Step 5: Solve for x
    x = 485,746,798,976.64/966,297.60
  6. Step 6: Final answer
    x = 502,688.61

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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.