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Finding the Fourth Proportional to 541,307.55, 810,343.59 and 327,428.20

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Solution

The fourth proportional to 541,307.55, 810,343.59 and 327,428.20 is: 490,163.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,307.55 : 810,343.59 = 327,428.20 : x
  2. Step 2: Convert to fraction form
    541,307.55/810,343.59 = 327,428.20/x
  3. Step 3: Cross multiply
    541,307.55x = 810,343.59 × 327,428.20
  4. Step 4: Simplify right side
    541,307.55x = 265,329,339,003.52
  5. Step 5: Solve for x
    x = 265,329,339,003.52/541,307.55
  6. Step 6: Final answer
    x = 490,163.75

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Similar ratio
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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.