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Finding the Fourth Proportional to 539,504.40, 809,256.60 and 184,432.80

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Solution

The fourth proportional to 539,504.40, 809,256.60 and 184,432.80 is: 276,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,504.40 : 809,256.60 = 184,432.80 : x
  2. Step 2: Convert to fraction form
    539,504.40/809,256.60 = 184,432.80/x
  3. Step 3: Cross multiply
    539,504.40x = 809,256.60 × 184,432.80
  4. Step 4: Simplify right side
    539,504.40x = 149,253,460,656.48
  5. Step 5: Solve for x
    x = 149,253,460,656.48/539,504.40
  6. Step 6: Final answer
    x = 276,649.20

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Double scale
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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.