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Finding the Fourth Proportional to 367,359.11, 506,909.66 and 203,993.40

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Solution

The fourth proportional to 367,359.11, 506,909.66 and 203,993.40 is: 281,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,359.11 : 506,909.66 = 203,993.40 : x
  2. Step 2: Convert to fraction form
    367,359.11/506,909.66 = 203,993.40/x
  3. Step 3: Cross multiply
    367,359.11x = 506,909.66 × 203,993.40
  4. Step 4: Simplify right side
    367,359.11x = 103,406,224,016.28
  5. Step 5: Solve for x
    x = 103,406,224,016.28/367,359.11
  6. Step 6: Final answer
    x = 281,485.40

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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.