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Finding the Fourth Proportional to 2,482,813.10, 3,724,219.65 and 986,905.10

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Solution

The fourth proportional to 2,482,813.10, 3,724,219.65 and 986,905.10 is: 1,480,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,482,813.10 : 3,724,219.65 = 986,905.10 : x
  2. Step 2: Convert to fraction form
    2,482,813.10/3,724,219.65 = 986,905.10/x
  3. Step 3: Cross multiply
    2,482,813.10x = 3,724,219.65 × 986,905.10
  4. Step 4: Simplify right side
    2,482,813.10x = 3,675,451,366,105.22
  5. Step 5: Solve for x
    x = 3,675,451,366,105.22/2,482,813.10
  6. Step 6: Final answer
    x = 1,480,357.65

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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.