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Finding the Fourth Proportional to 230,842.46, 316,252.66 and 222,210.28

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Solution

The fourth proportional to 230,842.46, 316,252.66 and 222,210.28 is: 304,426.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,842.46 : 316,252.66 = 222,210.28 : x
  2. Step 2: Convert to fraction form
    230,842.46/316,252.66 = 222,210.28/x
  3. Step 3: Cross multiply
    230,842.46x = 316,252.66 × 222,210.28
  4. Step 4: Simplify right side
    230,842.46x = 70,274,592,129.34
  5. Step 5: Solve for x
    x = 70,274,592,129.34/230,842.46
  6. Step 6: Final answer
    x = 304,426.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.