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Finding the Fourth Proportional to 622,407.20, 933,610.80 and 201,725.60

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Solution

The fourth proportional to 622,407.20, 933,610.80 and 201,725.60 is: 302,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,407.20 : 933,610.80 = 201,725.60 : x
  2. Step 2: Convert to fraction form
    622,407.20/933,610.80 = 201,725.60/x
  3. Step 3: Cross multiply
    622,407.20x = 933,610.80 × 201,725.60
  4. Step 4: Simplify right side
    622,407.20x = 188,333,198,796.48
  5. Step 5: Solve for x
    x = 188,333,198,796.48/622,407.20
  6. Step 6: Final answer
    x = 302,588.40

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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.