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Finding the Fourth Proportional to 1,948,578.66, 2,925,518.54 and 1,096,250.09

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Solution

The fourth proportional to 1,948,578.66, 2,925,518.54 and 1,096,250.09 is: 1,645,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,578.66 : 2,925,518.54 = 1,096,250.09 : x
  2. Step 2: Convert to fraction form
    1,948,578.66/2,925,518.54 = 1,096,250.09/x
  3. Step 3: Cross multiply
    1,948,578.66x = 2,925,518.54 × 1,096,250.09
  4. Step 4: Simplify right side
    1,948,578.66x = 3,207,099,945,746.03
  5. Step 5: Solve for x
    x = 3,207,099,945,746.03/1,948,578.66
  6. Step 6: Final answer
    x = 1,645,866.30

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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.