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Finding the Fourth Proportional to 367,359.30, 506,909.91 and 203,993.58

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Solution

The fourth proportional to 367,359.30, 506,909.91 and 203,993.58 is: 281,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,359.30 : 506,909.91 = 203,993.58 : x
  2. Step 2: Convert to fraction form
    367,359.30/506,909.91 = 203,993.58/x
  3. Step 3: Cross multiply
    367,359.30x = 506,909.91 × 203,993.58
  4. Step 4: Simplify right side
    367,359.30x = 103,406,369,944.27
  5. Step 5: Solve for x
    x = 103,406,369,944.27/367,359.30
  6. Step 6: Final answer
    x = 281,485.65

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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.