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Finding the Fourth Proportional to 364,930.43, 503,603.01 and 203,784.17

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Solution

The fourth proportional to 364,930.43, 503,603.01 and 203,784.17 is: 281,221.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,930.43 : 503,603.01 = 203,784.17 : x
  2. Step 2: Convert to fraction form
    364,930.43/503,603.01 = 203,784.17/x
  3. Step 3: Cross multiply
    364,930.43x = 503,603.01 × 203,784.17
  4. Step 4: Simplify right side
    364,930.43x = 102,626,321,402.35
  5. Step 5: Solve for x
    x = 102,626,321,402.35/364,930.43
  6. Step 6: Final answer
    x = 281,221.61

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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.