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Finding the Fourth Proportional to 622,114.40, 933,171.60 and 423,048.80

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Solution

The fourth proportional to 622,114.40, 933,171.60 and 423,048.80 is: 634,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,114.40 : 933,171.60 = 423,048.80 : x
  2. Step 2: Convert to fraction form
    622,114.40/933,171.60 = 423,048.80/x
  3. Step 3: Cross multiply
    622,114.40x = 933,171.60 × 423,048.80
  4. Step 4: Simplify right side
    622,114.40x = 394,777,125,574.08
  5. Step 5: Solve for x
    x = 394,777,125,574.08/622,114.40
  6. Step 6: Final answer
    x = 634,573.20

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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.