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Finding the Fourth Proportional to 348,693.07, 481,203.55 and 195,742.29

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Solution

The fourth proportional to 348,693.07, 481,203.55 and 195,742.29 is: 270,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,693.07 : 481,203.55 = 195,742.29 : x
  2. Step 2: Convert to fraction form
    348,693.07/481,203.55 = 195,742.29/x
  3. Step 3: Cross multiply
    348,693.07x = 481,203.55 × 195,742.29
  4. Step 4: Simplify right side
    348,693.07x = 94,191,884,833.13
  5. Step 5: Solve for x
    x = 94,191,884,833.13/348,693.07
  6. Step 6: Final answer
    x = 270,128.35

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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.