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Finding the Fourth Proportional to 552,441.26, 828,679.72 and 153,085.88

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Solution

The fourth proportional to 552,441.26, 828,679.72 and 153,085.88 is: 229,633.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,441.26 : 828,679.72 = 153,085.88 : x
  2. Step 2: Convert to fraction form
    552,441.26/828,679.72 = 153,085.88/x
  3. Step 3: Cross multiply
    552,441.26x = 828,679.72 × 153,085.88
  4. Step 4: Simplify right side
    552,441.26x = 126,859,166,707.83
  5. Step 5: Solve for x
    x = 126,859,166,707.83/552,441.26
  6. Step 6: Final answer
    x = 229,633.76

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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.