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Finding the Fourth Proportional to 203,850,446.80, 286,196,841.20 and 203,850,446.80

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Solution

The fourth proportional to 203,850,446.80, 286,196,841.20 and 203,850,446.80 is: 286,196,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,850,446.80 : 286,196,841.20 = 203,850,446.80 : x
  2. Step 2: Convert to fraction form
    203,850,446.80/286,196,841.20 = 203,850,446.80/x
  3. Step 3: Cross multiply
    203,850,446.80x = 286,196,841.20 × 203,850,446.80
  4. Step 4: Simplify right side
    203,850,446.80x = 58,341,353,951,368,648
  5. Step 5: Solve for x
    x = 58,341,353,951,368,648/203,850,446.80
  6. Step 6: Final answer
    x = 286,196,841.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.