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Finding the Fourth Proportional to 361,646.64, 499,071.52 and 200,497.54

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Solution

The fourth proportional to 361,646.64, 499,071.52 and 200,497.54 is: 276,686.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,646.64 : 499,071.52 = 200,497.54 : x
  2. Step 2: Convert to fraction form
    361,646.64/499,071.52 = 200,497.54/x
  3. Step 3: Cross multiply
    361,646.64x = 499,071.52 × 200,497.54
  4. Step 4: Simplify right side
    361,646.64x = 100,062,612,044.06
  5. Step 5: Solve for x
    x = 100,062,612,044.06/361,646.64
  6. Step 6: Final answer
    x = 276,686.14

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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.