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Finding the Fourth Proportional to 347,920.25, 480,129.95 and 197,046.41

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Solution

The fourth proportional to 347,920.25, 480,129.95 and 197,046.41 is: 271,924.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,920.25 : 480,129.95 = 197,046.41 : x
  2. Step 2: Convert to fraction form
    347,920.25/480,129.95 = 197,046.41/x
  3. Step 3: Cross multiply
    347,920.25x = 480,129.95 × 197,046.41
  4. Step 4: Simplify right side
    347,920.25x = 94,607,881,995.75
  5. Step 5: Solve for x
    x = 94,607,881,995.75/347,920.25
  6. Step 6: Final answer
    x = 271,924.05

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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.