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Finding the Fourth Proportional to 348,019.92, 480,313.16 and 197,122

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Solution

The fourth proportional to 348,019.92, 480,313.16 and 197,122 is: 272,054.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,019.92 : 480,313.16 = 197,122 : x
  2. Step 2: Convert to fraction form
    348,019.92/480,313.16 = 197,122/x
  3. Step 3: Cross multiply
    348,019.92x = 480,313.16 × 197,122
  4. Step 4: Simplify right side
    348,019.92x = 94,680,290,725.52
  5. Step 5: Solve for x
    x = 94,680,290,725.52/348,019.92
  6. Step 6: Final answer
    x = 272,054.23

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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.