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Finding the Fourth Proportional to 539,498.40, 809,170.80 and 184,528.80

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Solution

The fourth proportional to 539,498.40, 809,170.80 and 184,528.80 is: 276,766.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,498.40 : 809,170.80 = 184,528.80 : x
  2. Step 2: Convert to fraction form
    539,498.40/809,170.80 = 184,528.80/x
  3. Step 3: Cross multiply
    539,498.40x = 809,170.80 × 184,528.80
  4. Step 4: Simplify right side
    539,498.40x = 149,315,316,719.04
  5. Step 5: Solve for x
    x = 149,315,316,719.04/539,498.40
  6. Step 6: Final answer
    x = 276,766.93

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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.