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Finding the Fourth Proportional to 540,240.68, 810,869.48 and 274,192.12

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Solution

The fourth proportional to 540,240.68, 810,869.48 and 274,192.12 is: 411,546.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,240.68 : 810,869.48 = 274,192.12 : x
  2. Step 2: Convert to fraction form
    540,240.68/810,869.48 = 274,192.12/x
  3. Step 3: Cross multiply
    540,240.68x = 810,869.48 × 274,192.12
  4. Step 4: Simplify right side
    540,240.68x = 222,334,021,764.50
  5. Step 5: Solve for x
    x = 222,334,021,764.50/540,240.68
  6. Step 6: Final answer
    x = 411,546.24

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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.