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Finding the Fourth Proportional to 609,942.56, 841,722.72 and 338,014.94

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Solution

The fourth proportional to 609,942.56, 841,722.72 and 338,014.94 is: 466,461.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,942.56 : 841,722.72 = 338,014.94 : x
  2. Step 2: Convert to fraction form
    609,942.56/841,722.72 = 338,014.94/x
  3. Step 3: Cross multiply
    609,942.56x = 841,722.72 × 338,014.94
  4. Step 4: Simplify right side
    609,942.56x = 284,514,854,697.44
  5. Step 5: Solve for x
    x = 284,514,854,697.44/609,942.56
  6. Step 6: Final answer
    x = 466,461.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.