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Finding the Fourth Proportional to 377,858, 566,787 and 156,247.76

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Solution

The fourth proportional to 377,858, 566,787 and 156,247.76 is: 234,371.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,858 : 566,787 = 156,247.76 : x
  2. Step 2: Convert to fraction form
    377,858/566,787 = 156,247.76/x
  3. Step 3: Cross multiply
    377,858x = 566,787 × 156,247.76
  4. Step 4: Simplify right side
    377,858x = 88,559,199,147.12
  5. Step 5: Solve for x
    x = 88,559,199,147.12/377,858
  6. Step 6: Final answer
    x = 234,371.64

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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.