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Finding the Fourth Proportional to 5,919,507, 8,168,978 and 3,203,311.32

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Solution

The fourth proportional to 5,919,507, 8,168,978 and 3,203,311.32 is: 4,420,601.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919,507 : 8,168,978 = 3,203,311.32 : x
  2. Step 2: Convert to fraction form
    5,919,507/8,168,978 = 3,203,311.32/x
  3. Step 3: Cross multiply
    5,919,507x = 8,168,978 × 3,203,311.32
  4. Step 4: Simplify right side
    5,919,507x = 26,167,779,700,230.96
  5. Step 5: Solve for x
    x = 26,167,779,700,230.96/5,919,507
  6. Step 6: Final answer
    x = 4,420,601.19

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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.