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Finding the Fourth Proportional to 4,994,486.04, 7,491,732.71 and 1,207,972.56

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Solution

The fourth proportional to 4,994,486.04, 7,491,732.71 and 1,207,972.56 is: 1,811,959.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,994,486.04 : 7,491,732.71 = 1,207,972.56 : x
  2. Step 2: Convert to fraction form
    4,994,486.04/7,491,732.71 = 1,207,972.56/x
  3. Step 3: Cross multiply
    4,994,486.04x = 7,491,732.71 × 1,207,972.56
  4. Step 4: Simplify right side
    4,994,486.04x = 9,049,807,534,494.58
  5. Step 5: Solve for x
    x = 9,049,807,534,494.58/4,994,486.04
  6. Step 6: Final answer
    x = 1,811,959.72

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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.