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Finding the Fourth Proportional to 540,039.13, 809,171.12 and 184,859.39

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Solution

The fourth proportional to 540,039.13, 809,171.12 and 184,859.39 is: 276,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,039.13 : 809,171.12 = 184,859.39 : x
  2. Step 2: Convert to fraction form
    540,039.13/809,171.12 = 184,859.39/x
  3. Step 3: Cross multiply
    540,039.13x = 809,171.12 × 184,859.39
  4. Step 4: Simplify right side
    540,039.13x = 149,582,879,648.82
  5. Step 5: Solve for x
    x = 149,582,879,648.82/540,039.13
  6. Step 6: Final answer
    x = 276,985.26

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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.