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Finding the Fourth Proportional to 3,928,336.50, 5,892,753.83 and 1,232,768.01

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Solution

The fourth proportional to 3,928,336.50, 5,892,753.83 and 1,232,768.01 is: 1,849,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,336.50 : 5,892,753.83 = 1,232,768.01 : x
  2. Step 2: Convert to fraction form
    3,928,336.50/5,892,753.83 = 1,232,768.01/x
  3. Step 3: Cross multiply
    3,928,336.50x = 5,892,753.83 × 1,232,768.01
  4. Step 4: Simplify right side
    3,928,336.50x = 7,264,398,406,265.14
  5. Step 5: Solve for x
    x = 7,264,398,406,265.14/3,928,336.50
  6. Step 6: Final answer
    x = 1,849,230.18

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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.