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Finding the Fourth Proportional to 770,049.90, 1,062,633.87 and 425,889

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Solution

The fourth proportional to 770,049.90, 1,062,633.87 and 425,889 is: 587,707.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,049.90 : 1,062,633.87 = 425,889 : x
  2. Step 2: Convert to fraction form
    770,049.90/1,062,633.87 = 425,889/x
  3. Step 3: Cross multiply
    770,049.90x = 1,062,633.87 × 425,889
  4. Step 4: Simplify right side
    770,049.90x = 452,564,076,260.43
  5. Step 5: Solve for x
    x = 452,564,076,260.43/770,049.90
  6. Step 6: Final answer
    x = 587,707.47

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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.