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Finding the Fourth Proportional to 569,629.80, 854,493.30 and 148,905

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Solution

The fourth proportional to 569,629.80, 854,493.30 and 148,905 is: 223,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,629.80 : 854,493.30 = 148,905 : x
  2. Step 2: Convert to fraction form
    569,629.80/854,493.30 = 148,905/x
  3. Step 3: Cross multiply
    569,629.80x = 854,493.30 × 148,905
  4. Step 4: Simplify right side
    569,629.80x = 127,238,324,836.50
  5. Step 5: Solve for x
    x = 127,238,324,836.50/569,629.80
  6. Step 6: Final answer
    x = 223,370.20

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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.