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Finding the Fourth Proportional to 361,807.40, 499,297.02 and 200,653.40

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Solution

The fourth proportional to 361,807.40, 499,297.02 and 200,653.40 is: 276,903.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,807.40 : 499,297.02 = 200,653.40 : x
  2. Step 2: Convert to fraction form
    361,807.40/499,297.02 = 200,653.40/x
  3. Step 3: Cross multiply
    361,807.40x = 499,297.02 × 200,653.40
  4. Step 4: Simplify right side
    361,807.40x = 100,185,644,672.87
  5. Step 5: Solve for x
    x = 100,185,644,672.87/361,807.40
  6. Step 6: Final answer
    x = 276,903.25

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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.