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Finding the Fourth Proportional to 377,356.32, 565,772.04 and 140,635.44

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Solution

The fourth proportional to 377,356.32, 565,772.04 and 140,635.44 is: 210,855.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,356.32 : 565,772.04 = 140,635.44 : x
  2. Step 2: Convert to fraction form
    377,356.32/565,772.04 = 140,635.44/x
  3. Step 3: Cross multiply
    377,356.32x = 565,772.04 × 140,635.44
  4. Step 4: Simplify right side
    377,356.32x = 79,567,599,785.10
  5. Step 5: Solve for x
    x = 79,567,599,785.10/377,356.32
  6. Step 6: Final answer
    x = 210,855.35

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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.