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Finding the Fourth Proportional to 556,496.41, 834,776.90 and 157,103.73

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Solution

The fourth proportional to 556,496.41, 834,776.90 and 157,103.73 is: 235,664.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,496.41 : 834,776.90 = 157,103.73 : x
  2. Step 2: Convert to fraction form
    556,496.41/834,776.90 = 157,103.73/x
  3. Step 3: Cross multiply
    556,496.41x = 834,776.90 × 157,103.73
  4. Step 4: Simplify right side
    556,496.41x = 131,146,565,100.60
  5. Step 5: Solve for x
    x = 131,146,565,100.60/556,496.41
  6. Step 6: Final answer
    x = 235,664.71

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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.