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Finding the Fourth Proportional to 653,330.68, 980,119.86 and 226,849.84

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Solution

The fourth proportional to 653,330.68, 980,119.86 and 226,849.84 is: 340,317.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,330.68 : 980,119.86 = 226,849.84 : x
  2. Step 2: Convert to fraction form
    653,330.68/980,119.86 = 226,849.84/x
  3. Step 3: Cross multiply
    653,330.68x = 980,119.86 × 226,849.84
  4. Step 4: Simplify right side
    653,330.68x = 222,340,033,421.82
  5. Step 5: Solve for x
    x = 222,340,033,421.82/653,330.68
  6. Step 6: Final answer
    x = 340,317.76

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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.