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Finding the Fourth Proportional to 539,502.40, 809,253.60 and 184,430.80

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Solution

The fourth proportional to 539,502.40, 809,253.60 and 184,430.80 is: 276,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,502.40 : 809,253.60 = 184,430.80 : x
  2. Step 2: Convert to fraction form
    539,502.40/809,253.60 = 184,430.80/x
  3. Step 3: Cross multiply
    539,502.40x = 809,253.60 × 184,430.80
  4. Step 4: Simplify right side
    539,502.40x = 149,251,288,850.88
  5. Step 5: Solve for x
    x = 149,251,288,850.88/539,502.40
  6. Step 6: Final answer
    x = 276,646.20

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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.