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Finding the Fourth Proportional to 348,276.52, 480,627.30 and 197,370.28

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Solution

The fourth proportional to 348,276.52, 480,627.30 and 197,370.28 is: 272,374.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,276.52 : 480,627.30 = 197,370.28 : x
  2. Step 2: Convert to fraction form
    348,276.52/480,627.30 = 197,370.28/x
  3. Step 3: Cross multiply
    348,276.52x = 480,627.30 × 197,370.28
  4. Step 4: Simplify right side
    348,276.52x = 94,861,544,776.64
  5. Step 5: Solve for x
    x = 94,861,544,776.64/348,276.52
  6. Step 6: Final answer
    x = 272,374.22

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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.