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Finding the Fourth Proportional to 361,773.45, 499,248.71 and 200,643.39

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Solution

The fourth proportional to 361,773.45, 499,248.71 and 200,643.39 is: 276,888.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,773.45 : 499,248.71 = 200,643.39 : x
  2. Step 2: Convert to fraction form
    361,773.45/499,248.71 = 200,643.39/x
  3. Step 3: Cross multiply
    361,773.45x = 499,248.71 × 200,643.39
  4. Step 4: Simplify right side
    361,773.45x = 100,170,953,627.53
  5. Step 5: Solve for x
    x = 100,170,953,627.53/361,773.45
  6. Step 6: Final answer
    x = 276,888.63

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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.