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Finding the Fourth Proportional to 556,618.88, 834,982.99 and 157,262.76

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Solution

The fourth proportional to 556,618.88, 834,982.99 and 157,262.76 is: 235,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,618.88 : 834,982.99 = 157,262.76 : x
  2. Step 2: Convert to fraction form
    556,618.88/834,982.99 = 157,262.76/x
  3. Step 3: Cross multiply
    556,618.88x = 834,982.99 × 157,262.76
  4. Step 4: Simplify right side
    556,618.88x = 131,311,729,167.30
  5. Step 5: Solve for x
    x = 131,311,729,167.30/556,618.88
  6. Step 6: Final answer
    x = 235,909.58

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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.