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Finding the Fourth Proportional to 569,706.80, 854,495.40 and 149,025.20

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Solution

The fourth proportional to 569,706.80, 854,495.40 and 149,025.20 is: 223,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,706.80 : 854,495.40 = 149,025.20 : x
  2. Step 2: Convert to fraction form
    569,706.80/854,495.40 = 149,025.20/x
  3. Step 3: Cross multiply
    569,706.80x = 854,495.40 × 149,025.20
  4. Step 4: Simplify right side
    569,706.80x = 127,341,347,884.08
  5. Step 5: Solve for x
    x = 127,341,347,884.08/569,706.80
  6. Step 6: Final answer
    x = 223,520.85

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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.