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Finding the Fourth Proportional to 347,955.08, 480,161.94 and 197,053.16

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Solution

The fourth proportional to 347,955.08, 480,161.94 and 197,053.16 is: 271,924.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,955.08 : 480,161.94 = 197,053.16 : x
  2. Step 2: Convert to fraction form
    347,955.08/480,161.94 = 197,053.16/x
  3. Step 3: Cross multiply
    347,955.08x = 480,161.94 × 197,053.16
  4. Step 4: Simplify right side
    347,955.08x = 94,617,427,588.73
  5. Step 5: Solve for x
    x = 94,617,427,588.73/347,955.08
  6. Step 6: Final answer
    x = 271,924.26

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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.