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Finding the Fourth Proportional to 4,899,884.92, 7,351,319.40 and 2,505,411.52

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Solution

The fourth proportional to 4,899,884.92, 7,351,319.40 and 2,505,411.52 is: 3,758,880.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899,884.92 : 7,351,319.40 = 2,505,411.52 : x
  2. Step 2: Convert to fraction form
    4,899,884.92/7,351,319.40 = 2,505,411.52/x
  3. Step 3: Cross multiply
    4,899,884.92x = 7,351,319.40 × 2,505,411.52
  4. Step 4: Simplify right side
    4,899,884.92x = 18,418,080,311,959.49
  5. Step 5: Solve for x
    x = 18,418,080,311,959.49/4,899,884.92
  6. Step 6: Final answer
    x = 3,758,880.18

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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.