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Finding the Fourth Proportional to 366,994.02, 506,455.98 and 203,653.86

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Solution

The fourth proportional to 366,994.02, 506,455.98 and 203,653.86 is: 281,044.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,994.02 : 506,455.98 = 203,653.86 : x
  2. Step 2: Convert to fraction form
    366,994.02/506,455.98 = 203,653.86/x
  3. Step 3: Cross multiply
    366,994.02x = 506,455.98 × 203,653.86
  4. Step 4: Simplify right side
    366,994.02x = 103,141,715,247.08
  5. Step 5: Solve for x
    x = 103,141,715,247.08/366,994.02
  6. Step 6: Final answer
    x = 281,044.68

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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.