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Finding the Fourth Proportional to 361,590.66, 498,995.10 and 200,445.30

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Solution

The fourth proportional to 361,590.66, 498,995.10 and 200,445.30 is: 276,614.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,590.66 : 498,995.10 = 200,445.30 : x
  2. Step 2: Convert to fraction form
    361,590.66/498,995.10 = 200,445.30/x
  3. Step 3: Cross multiply
    361,590.66x = 498,995.10 × 200,445.30
  4. Step 4: Simplify right side
    361,590.66x = 100,021,222,518.03
  5. Step 5: Solve for x
    x = 100,021,222,518.03/361,590.66
  6. Step 6: Final answer
    x = 276,614.51

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1.5x scale

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.