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Finding the Fourth Proportional to 3,892,651.76, 5,838,978 and 1,160,241.50

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Solution

The fourth proportional to 3,892,651.76, 5,838,978 and 1,160,241.50 is: 1,740,362.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892,651.76 : 5,838,978 = 1,160,241.50 : x
  2. Step 2: Convert to fraction form
    3,892,651.76/5,838,978 = 1,160,241.50/x
  3. Step 3: Cross multiply
    3,892,651.76x = 5,838,978 × 1,160,241.50
  4. Step 4: Simplify right side
    3,892,651.76x = 6,774,624,593,187
  5. Step 5: Solve for x
    x = 6,774,624,593,187/3,892,651.76
  6. Step 6: Final answer
    x = 1,740,362.36

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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.