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Finding the Fourth Proportional to 421,524.60, 581,712.48 and 230,550.27

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Solution

The fourth proportional to 421,524.60, 581,712.48 and 230,550.27 is: 318,164.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,524.60 : 581,712.48 = 230,550.27 : x
  2. Step 2: Convert to fraction form
    421,524.60/581,712.48 = 230,550.27/x
  3. Step 3: Cross multiply
    421,524.60x = 581,712.48 × 230,550.27
  4. Step 4: Simplify right side
    421,524.60x = 134,113,969,326.37
  5. Step 5: Solve for x
    x = 134,113,969,326.37/421,524.60
  6. Step 6: Final answer
    x = 318,164.04

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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.