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Finding the Fourth Proportional to 539,072.40, 808,608.60 and 184,000.80

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Solution

The fourth proportional to 539,072.40, 808,608.60 and 184,000.80 is: 276,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,072.40 : 808,608.60 = 184,000.80 : x
  2. Step 2: Convert to fraction form
    539,072.40/808,608.60 = 184,000.80/x
  3. Step 3: Cross multiply
    539,072.40x = 808,608.60 × 184,000.80
  4. Step 4: Simplify right side
    539,072.40x = 148,784,629,286.88
  5. Step 5: Solve for x
    x = 148,784,629,286.88/539,072.40
  6. Step 6: Final answer
    x = 276,001.20

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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.