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Finding the Fourth Proportional to 569,487.08, 854,238.90 and 148,763

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Solution

The fourth proportional to 569,487.08, 854,238.90 and 148,763 is: 223,146.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,487.08 : 854,238.90 = 148,763 : x
  2. Step 2: Convert to fraction form
    569,487.08/854,238.90 = 148,763/x
  3. Step 3: Cross multiply
    569,487.08x = 854,238.90 × 148,763
  4. Step 4: Simplify right side
    569,487.08x = 127,079,141,480.70
  5. Step 5: Solve for x
    x = 127,079,141,480.70/569,487.08
  6. Step 6: Final answer
    x = 223,146.66

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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.