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Finding the Fourth Proportional to 5,335,497.90, 8,003,246.85 and 1,346,409.90

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Solution

The fourth proportional to 5,335,497.90, 8,003,246.85 and 1,346,409.90 is: 2,019,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335,497.90 : 8,003,246.85 = 1,346,409.90 : x
  2. Step 2: Convert to fraction form
    5,335,497.90/8,003,246.85 = 1,346,409.90/x
  3. Step 3: Cross multiply
    5,335,497.90x = 8,003,246.85 × 1,346,409.90
  4. Step 4: Simplify right side
    5,335,497.90x = 10,775,650,790,983.81
  5. Step 5: Solve for x
    x = 10,775,650,790,983.81/5,335,497.90
  6. Step 6: Final answer
    x = 2,019,614.85

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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.