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Finding the Fourth Proportional to 368,737,793.55, 553,106,690.33 and 368,737,793.55

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Solution

The fourth proportional to 368,737,793.55, 553,106,690.33 and 368,737,793.55 is: 553,106,690.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,737,793.55 : 553,106,690.33 = 368,737,793.55 : x
  2. Step 2: Convert to fraction form
    368,737,793.55/553,106,690.33 = 368,737,793.55/x
  3. Step 3: Cross multiply
    368,737,793.55x = 553,106,690.33 × 368,737,793.55
  4. Step 4: Simplify right side
    368,737,793.55x = 203,951,340,588,183,648
  5. Step 5: Solve for x
    x = 203,951,340,588,183,648/368,737,793.55
  6. Step 6: Final answer
    x = 553,106,690.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.