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Finding the Fourth Proportional to 569,680.80, 854,569.98 and 148,956

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Solution

The fourth proportional to 569,680.80, 854,569.98 and 148,956 is: 223,446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,680.80 : 854,569.98 = 148,956 : x
  2. Step 2: Convert to fraction form
    569,680.80/854,569.98 = 148,956/x
  3. Step 3: Cross multiply
    569,680.80x = 854,569.98 × 148,956
  4. Step 4: Simplify right side
    569,680.80x = 127,293,325,940.88
  5. Step 5: Solve for x
    x = 127,293,325,940.88/569,680.80
  6. Step 6: Final answer
    x = 223,446.75

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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.