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Finding the Fourth Proportional to 622,511.70, 933,767.55 and 511,794.83

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Solution

The fourth proportional to 622,511.70, 933,767.55 and 511,794.83 is: 767,692.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,511.70 : 933,767.55 = 511,794.83 : x
  2. Step 2: Convert to fraction form
    622,511.70/933,767.55 = 511,794.83/x
  3. Step 3: Cross multiply
    622,511.70x = 933,767.55 × 511,794.83
  4. Step 4: Simplify right side
    622,511.70x = 477,897,399,842.93
  5. Step 5: Solve for x
    x = 477,897,399,842.93/622,511.70
  6. Step 6: Final answer
    x = 767,692.24

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Similar ratio
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1.5x scale

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.