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Finding the Fourth Proportional to 377,389.76, 520,581.60 and 235,832

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Solution

The fourth proportional to 377,389.76, 520,581.60 and 235,832 is: 325,313.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,389.76 : 520,581.60 = 235,832 : x
  2. Step 2: Convert to fraction form
    377,389.76/520,581.60 = 235,832/x
  3. Step 3: Cross multiply
    377,389.76x = 520,581.60 × 235,832
  4. Step 4: Simplify right side
    377,389.76x = 122,769,799,891.20
  5. Step 5: Solve for x
    x = 122,769,799,891.20/377,389.76
  6. Step 6: Final answer
    x = 325,313.01

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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.