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Finding the Fourth Proportional to 551,680.16, 827,585.04 and 196,744.64

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Solution

The fourth proportional to 551,680.16, 827,585.04 and 196,744.64 is: 295,140.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,680.16 : 827,585.04 = 196,744.64 : x
  2. Step 2: Convert to fraction form
    551,680.16/827,585.04 = 196,744.64/x
  3. Step 3: Cross multiply
    551,680.16x = 827,585.04 × 196,744.64
  4. Step 4: Simplify right side
    551,680.16x = 162,822,920,764.19
  5. Step 5: Solve for x
    x = 162,822,920,764.19/551,680.16
  6. Step 6: Final answer
    x = 295,140.07

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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.