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Finding the Fourth Proportional to 530,844.40, 796,266.60 and 404,873.20

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Solution

The fourth proportional to 530,844.40, 796,266.60 and 404,873.20 is: 607,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,844.40 : 796,266.60 = 404,873.20 : x
  2. Step 2: Convert to fraction form
    530,844.40/796,266.60 = 404,873.20/x
  3. Step 3: Cross multiply
    530,844.40x = 796,266.60 × 404,873.20
  4. Step 4: Simplify right side
    530,844.40x = 322,387,006,395.12
  5. Step 5: Solve for x
    x = 322,387,006,395.12/530,844.40
  6. Step 6: Final answer
    x = 607,309.80

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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.