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Finding the Fourth Proportional to 3,263,690.72, 4,895,535.16 and 1,019,828.72

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Solution

The fourth proportional to 3,263,690.72, 4,895,535.16 and 1,019,828.72 is: 1,529,742.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263,690.72 : 4,895,535.16 = 1,019,828.72 : x
  2. Step 2: Convert to fraction form
    3,263,690.72/4,895,535.16 = 1,019,828.72/x
  3. Step 3: Cross multiply
    3,263,690.72x = 4,895,535.16 × 1,019,828.72
  4. Step 4: Simplify right side
    3,263,690.72x = 4,992,607,326,360.98
  5. Step 5: Solve for x
    x = 4,992,607,326,360.98/3,263,690.72
  6. Step 6: Final answer
    x = 1,529,742.79

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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.