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Finding the Fourth Proportional to 483,511.80, 667,206.18 and 265,709.02

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Solution

The fourth proportional to 483,511.80, 667,206.18 and 265,709.02 is: 366,656.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,511.80 : 667,206.18 = 265,709.02 : x
  2. Step 2: Convert to fraction form
    483,511.80/667,206.18 = 265,709.02/x
  3. Step 3: Cross multiply
    483,511.80x = 667,206.18 × 265,709.02
  4. Step 4: Simplify right side
    483,511.80x = 177,282,700,225.74
  5. Step 5: Solve for x
    x = 177,282,700,225.74/483,511.80
  6. Step 6: Final answer
    x = 366,656.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.