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Finding the Fourth Proportional to 3,124,447.70, 4,686,671.55 and 994,747.10

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Solution

The fourth proportional to 3,124,447.70, 4,686,671.55 and 994,747.10 is: 1,492,120.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124,447.70 : 4,686,671.55 = 994,747.10 : x
  2. Step 2: Convert to fraction form
    3,124,447.70/4,686,671.55 = 994,747.10/x
  3. Step 3: Cross multiply
    3,124,447.70x = 4,686,671.55 × 994,747.10
  4. Step 4: Simplify right side
    3,124,447.70x = 4,662,052,933,015.01
  5. Step 5: Solve for x
    x = 4,662,052,933,015.01/3,124,447.70
  6. Step 6: Final answer
    x = 1,492,120.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.