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Finding the Fourth Proportional to 2,482,669.92, 3,723,903.52 and 863,809.28

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Solution

The fourth proportional to 2,482,669.92, 3,723,903.52 and 863,809.28 is: 1,295,678.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,482,669.92 : 3,723,903.52 = 863,809.28 : x
  2. Step 2: Convert to fraction form
    2,482,669.92/3,723,903.52 = 863,809.28/x
  3. Step 3: Cross multiply
    2,482,669.92x = 3,723,903.52 × 863,809.28
  4. Step 4: Simplify right side
    2,482,669.92x = 3,216,742,418,400.67
  5. Step 5: Solve for x
    x = 3,216,742,418,400.67/2,482,669.92
  6. Step 6: Final answer
    x = 1,295,678.65

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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.