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Finding the Fourth Proportional to 622,657.90, 933,986.85 and 622,657.90

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Solution

The fourth proportional to 622,657.90, 933,986.85 and 622,657.90 is: 933,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,657.90 : 933,986.85 = 622,657.90 : x
  2. Step 2: Convert to fraction form
    622,657.90/933,986.85 = 622,657.90/x
  3. Step 3: Cross multiply
    622,657.90x = 933,986.85 × 622,657.90
  4. Step 4: Simplify right side
    622,657.90x = 581,554,290,648.62
  5. Step 5: Solve for x
    x = 581,554,290,648.62/622,657.90
  6. Step 6: Final answer
    x = 933,986.85

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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.