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Finding the Fourth Proportional to 364,923.86, 503,590.17 and 203,781.74

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Solution

The fourth proportional to 364,923.86, 503,590.17 and 203,781.74 is: 281,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,923.86 : 503,590.17 = 203,781.74 : x
  2. Step 2: Convert to fraction form
    364,923.86/503,590.17 = 203,781.74/x
  3. Step 3: Cross multiply
    364,923.86x = 503,590.17 × 203,781.74
  4. Step 4: Simplify right side
    364,923.86x = 102,622,481,089.50
  5. Step 5: Solve for x
    x = 102,622,481,089.50/364,923.86
  6. Step 6: Final answer
    x = 281,216.14

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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.