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Finding the Fourth Proportional to 559,214.45, 838,961.40 and 180,170.90

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Solution

The fourth proportional to 559,214.45, 838,961.40 and 180,170.90 is: 270,301.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,214.45 : 838,961.40 = 180,170.90 : x
  2. Step 2: Convert to fraction form
    559,214.45/838,961.40 = 180,170.90/x
  3. Step 3: Cross multiply
    559,214.45x = 838,961.40 × 180,170.90
  4. Step 4: Simplify right side
    559,214.45x = 151,156,430,503.26
  5. Step 5: Solve for x
    x = 151,156,430,503.26/559,214.45
  6. Step 6: Final answer
    x = 270,301.37

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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.