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Finding the Fourth Proportional to 540,015.82, 810,138.30 and 184,934.50

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Solution

The fourth proportional to 540,015.82, 810,138.30 and 184,934.50 is: 277,440.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,015.82 : 810,138.30 = 184,934.50 : x
  2. Step 2: Convert to fraction form
    540,015.82/810,138.30 = 184,934.50/x
  3. Step 3: Cross multiply
    540,015.82x = 810,138.30 × 184,934.50
  4. Step 4: Simplify right side
    540,015.82x = 149,822,521,441.35
  5. Step 5: Solve for x
    x = 149,822,521,441.35/540,015.82
  6. Step 6: Final answer
    x = 277,440.99

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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.