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Finding the Fourth Proportional to 1,957,579.60, 2,746,910 and 1,957,579.60

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Solution

The fourth proportional to 1,957,579.60, 2,746,910 and 1,957,579.60 is: 2,746,910

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957,579.60 : 2,746,910 = 1,957,579.60 : x
  2. Step 2: Convert to fraction form
    1,957,579.60/2,746,910 = 1,957,579.60/x
  3. Step 3: Cross multiply
    1,957,579.60x = 2,746,910 × 1,957,579.60
  4. Step 4: Simplify right side
    1,957,579.60x = 5,377,294,979,036
  5. Step 5: Solve for x
    x = 5,377,294,979,036/1,957,579.60
  6. Step 6: Final answer
    x = 2,746,910

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.