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Finding the Fourth Proportional to 364,793.08, 503,623.86 and 278,071.24

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Solution

The fourth proportional to 364,793.08, 503,623.86 and 278,071.24 is: 383,897.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,793.08 : 503,623.86 = 278,071.24 : x
  2. Step 2: Convert to fraction form
    364,793.08/503,623.86 = 278,071.24/x
  3. Step 3: Cross multiply
    364,793.08x = 503,623.86 × 278,071.24
  4. Step 4: Simplify right side
    364,793.08x = 140,043,311,243.79
  5. Step 5: Solve for x
    x = 140,043,311,243.79/364,793.08
  6. Step 6: Final answer
    x = 383,897.94

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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.