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Finding the Fourth Proportional to 1,936,269.60, 2,904,015.60 and 925,389.60

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Solution

The fourth proportional to 1,936,269.60, 2,904,015.60 and 925,389.60 is: 1,387,898.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,269.60 : 2,904,015.60 = 925,389.60 : x
  2. Step 2: Convert to fraction form
    1,936,269.60/2,904,015.60 = 925,389.60/x
  3. Step 3: Cross multiply
    1,936,269.60x = 2,904,015.60 × 925,389.60
  4. Step 4: Simplify right side
    1,936,269.60x = 2,687,345,834,477.76
  5. Step 5: Solve for x
    x = 2,687,345,834,477.76/1,936,269.60
  6. Step 6: Final answer
    x = 1,387,898.58

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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.