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Finding the Fourth Proportional to 609,549.30, 851,269.50 and 609,549.30

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Solution

The fourth proportional to 609,549.30, 851,269.50 and 609,549.30 is: 851,269.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,549.30 : 851,269.50 = 609,549.30 : x
  2. Step 2: Convert to fraction form
    609,549.30/851,269.50 = 609,549.30/x
  3. Step 3: Cross multiply
    609,549.30x = 851,269.50 × 609,549.30
  4. Step 4: Simplify right side
    609,549.30x = 518,890,727,836.35
  5. Step 5: Solve for x
    x = 518,890,727,836.35/609,549.30
  6. Step 6: Final answer
    x = 851,269.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.