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Finding the Fourth Proportional to 354,122, 531,287.04 and 104,810.48

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Solution

The fourth proportional to 354,122, 531,287.04 and 104,810.48 is: 157,246.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,122 : 531,287.04 = 104,810.48 : x
  2. Step 2: Convert to fraction form
    354,122/531,287.04 = 104,810.48/x
  3. Step 3: Cross multiply
    354,122x = 531,287.04 × 104,810.48
  4. Step 4: Simplify right side
    354,122x = 55,684,449,680.18
  5. Step 5: Solve for x
    x = 55,684,449,680.18/354,122
  6. Step 6: Final answer
    x = 157,246.51

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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.