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Finding the Fourth Proportional to 537,129.32, 805,682.27 and 252,662.19

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Solution

The fourth proportional to 537,129.32, 805,682.27 and 252,662.19 is: 378,987.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,129.32 : 805,682.27 = 252,662.19 : x
  2. Step 2: Convert to fraction form
    537,129.32/805,682.27 = 252,662.19/x
  3. Step 3: Cross multiply
    537,129.32x = 805,682.27 × 252,662.19
  4. Step 4: Simplify right side
    537,129.32x = 203,565,446,782.37
  5. Step 5: Solve for x
    x = 203,565,446,782.37/537,129.32
  6. Step 6: Final answer
    x = 378,987.78

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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.