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Finding the Fourth Proportional to 3,671,658.56, 5,509,645.32 and 1,541,578.88

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Solution

The fourth proportional to 3,671,658.56, 5,509,645.32 and 1,541,578.88 is: 2,313,274.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671,658.56 : 5,509,645.32 = 1,541,578.88 : x
  2. Step 2: Convert to fraction form
    3,671,658.56/5,509,645.32 = 1,541,578.88/x
  3. Step 3: Cross multiply
    3,671,658.56x = 5,509,645.32 × 1,541,578.88
  4. Step 4: Simplify right side
    3,671,658.56x = 8,493,552,861,602.84
  5. Step 5: Solve for x
    x = 8,493,552,861,602.84/3,671,658.56
  6. Step 6: Final answer
    x = 2,313,274.16

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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.