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Finding the Fourth Proportional to 540,230.30, 810,853.93 and 274,181.75

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Solution

The fourth proportional to 540,230.30, 810,853.93 and 274,181.75 is: 411,530.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,230.30 : 810,853.93 = 274,181.75 : x
  2. Step 2: Convert to fraction form
    540,230.30/810,853.93 = 274,181.75/x
  3. Step 3: Cross multiply
    540,230.30x = 810,853.93 × 274,181.75
  4. Step 4: Simplify right side
    540,230.30x = 222,321,349,521.78
  5. Step 5: Solve for x
    x = 222,321,349,521.78/540,230.30
  6. Step 6: Final answer
    x = 411,530.69

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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.