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Finding the Fourth Proportional to 4,653,856.88, 6,976,639.74 and 1,813,322.96

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Solution

The fourth proportional to 4,653,856.88, 6,976,639.74 and 1,813,322.96 is: 2,718,369.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653,856.88 : 6,976,639.74 = 1,813,322.96 : x
  2. Step 2: Convert to fraction form
    4,653,856.88/6,976,639.74 = 1,813,322.96/x
  3. Step 3: Cross multiply
    4,653,856.88x = 6,976,639.74 × 1,813,322.96
  4. Step 4: Simplify right side
    4,653,856.88x = 12,650,901,024,190.43
  5. Step 5: Solve for x
    x = 12,650,901,024,190.43/4,653,856.88
  6. Step 6: Final answer
    x = 2,718,369.16

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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.