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Finding the Fourth Proportional to 526,651.74, 790,419.78 and 227,358.36

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Solution

The fourth proportional to 526,651.74, 790,419.78 and 227,358.36 is: 341,228.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,651.74 : 790,419.78 = 227,358.36 : x
  2. Step 2: Convert to fraction form
    526,651.74/790,419.78 = 227,358.36/x
  3. Step 3: Cross multiply
    526,651.74x = 790,419.78 × 227,358.36
  4. Step 4: Simplify right side
    526,651.74x = 179,708,544,892.36
  5. Step 5: Solve for x
    x = 179,708,544,892.36/526,651.74
  6. Step 6: Final answer
    x = 341,228.43

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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.