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Finding the Fourth Proportional to 377,034.60, 565,137.18 and 155,297.64

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Solution

The fourth proportional to 377,034.60, 565,137.18 and 155,297.64 is: 232,775.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,034.60 : 565,137.18 = 155,297.64 : x
  2. Step 2: Convert to fraction form
    377,034.60/565,137.18 = 155,297.64/x
  3. Step 3: Cross multiply
    377,034.60x = 565,137.18 × 155,297.64
  4. Step 4: Simplify right side
    377,034.60x = 87,764,470,330.26
  5. Step 5: Solve for x
    x = 87,764,470,330.26/377,034.60
  6. Step 6: Final answer
    x = 232,775.64

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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.