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Finding the Fourth Proportional to 609,930.50, 841,706.06 and 338,002.87

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Solution

The fourth proportional to 609,930.50, 841,706.06 and 338,002.87 is: 466,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,930.50 : 841,706.06 = 338,002.87 : x
  2. Step 2: Convert to fraction form
    609,930.50/841,706.06 = 338,002.87/x
  3. Step 3: Cross multiply
    609,930.50x = 841,706.06 × 338,002.87
  4. Step 4: Simplify right side
    609,930.50x = 284,499,058,077.85
  5. Step 5: Solve for x
    x = 284,499,058,077.85/609,930.50
  6. Step 6: Final answer
    x = 466,445.04

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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.