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Finding the Fourth Proportional to 556,647.52, 834,896.58 and 157,319.56

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Solution

The fourth proportional to 556,647.52, 834,896.58 and 157,319.56 is: 235,958.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,647.52 : 834,896.58 = 157,319.56 : x
  2. Step 2: Convert to fraction form
    556,647.52/834,896.58 = 157,319.56/x
  3. Step 3: Cross multiply
    556,647.52x = 834,896.58 × 157,319.56
  4. Step 4: Simplify right side
    556,647.52x = 131,345,562,611.11
  5. Step 5: Solve for x
    x = 131,345,562,611.11/556,647.52
  6. Step 6: Final answer
    x = 235,958.23

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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.