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Finding the Fourth Proportional to 365,000.23, 503,650.55 and 203,834.73

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Solution

The fourth proportional to 365,000.23, 503,650.55 and 203,834.73 is: 281,264.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,000.23 : 503,650.55 = 203,834.73 : x
  2. Step 2: Convert to fraction form
    365,000.23/503,650.55 = 203,834.73/x
  3. Step 3: Cross multiply
    365,000.23x = 503,650.55 × 203,834.73
  4. Step 4: Simplify right side
    365,000.23x = 102,661,472,854.43
  5. Step 5: Solve for x
    x = 102,661,472,854.43/365,000.23
  6. Step 6: Final answer
    x = 281,264.14

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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.