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Finding the Fourth Proportional to 321,304.43, 482,057.37 and 193,360.34

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Solution

The fourth proportional to 321,304.43, 482,057.37 and 193,360.34 is: 290,101.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,304.43 : 482,057.37 = 193,360.34 : x
  2. Step 2: Convert to fraction form
    321,304.43/482,057.37 = 193,360.34/x
  3. Step 3: Cross multiply
    321,304.43x = 482,057.37 × 193,360.34
  4. Step 4: Simplify right side
    321,304.43x = 93,210,774,552.42
  5. Step 5: Solve for x
    x = 93,210,774,552.42/321,304.43
  6. Step 6: Final answer
    x = 290,101.12

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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.