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Finding the Fourth Proportional to 570,816.53, 787,183.25 and 341,336.44

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Solution

The fourth proportional to 570,816.53, 787,183.25 and 341,336.44 is: 470,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,816.53 : 787,183.25 = 341,336.44 : x
  2. Step 2: Convert to fraction form
    570,816.53/787,183.25 = 341,336.44/x
  3. Step 3: Cross multiply
    570,816.53x = 787,183.25 × 341,336.44
  4. Step 4: Simplify right side
    570,816.53x = 268,694,327,068.01
  5. Step 5: Solve for x
    x = 268,694,327,068.01/570,816.53
  6. Step 6: Final answer
    x = 470,719.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.