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Finding the Fourth Proportional to 231,057.80, 346,068.30 and 225,873.80

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Solution

The fourth proportional to 231,057.80, 346,068.30 and 225,873.80 is: 338,303.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,057.80 : 346,068.30 = 225,873.80 : x
  2. Step 2: Convert to fraction form
    231,057.80/346,068.30 = 225,873.80/x
  3. Step 3: Cross multiply
    231,057.80x = 346,068.30 × 225,873.80
  4. Step 4: Simplify right side
    231,057.80x = 78,167,761,980.54
  5. Step 5: Solve for x
    x = 78,167,761,980.54/231,057.80
  6. Step 6: Final answer
    x = 338,303.93

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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.