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Finding the Fourth Proportional to 622,116.40, 933,174.60 and 423,050.80

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Solution

The fourth proportional to 622,116.40, 933,174.60 and 423,050.80 is: 634,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,116.40 : 933,174.60 = 423,050.80 : x
  2. Step 2: Convert to fraction form
    622,116.40/933,174.60 = 423,050.80/x
  3. Step 3: Cross multiply
    622,116.40x = 933,174.60 × 423,050.80
  4. Step 4: Simplify right side
    622,116.40x = 394,780,261,069.68
  5. Step 5: Solve for x
    x = 394,780,261,069.68/622,116.40
  6. Step 6: Final answer
    x = 634,576.20

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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.