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Finding the Fourth Proportional to 325,066.80, 448,114.76 and 227,976.30

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Solution

The fourth proportional to 325,066.80, 448,114.76 and 227,976.30 is: 314,272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,066.80 : 448,114.76 = 227,976.30 : x
  2. Step 2: Convert to fraction form
    325,066.80/448,114.76 = 227,976.30/x
  3. Step 3: Cross multiply
    325,066.80x = 448,114.76 × 227,976.30
  4. Step 4: Simplify right side
    325,066.80x = 102,159,544,216.38
  5. Step 5: Solve for x
    x = 102,159,544,216.38/325,066.80
  6. Step 6: Final answer
    x = 314,272.47

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1.5x scale

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.