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Finding the Fourth Proportional to 351,207.68, 484,667.82 and 190,062.68

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Solution

The fourth proportional to 351,207.68, 484,667.82 and 190,062.68 is: 262,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,207.68 : 484,667.82 = 190,062.68 : x
  2. Step 2: Convert to fraction form
    351,207.68/484,667.82 = 190,062.68/x
  3. Step 3: Cross multiply
    351,207.68x = 484,667.82 × 190,062.68
  4. Step 4: Simplify right side
    351,207.68x = 92,117,264,778.96
  5. Step 5: Solve for x
    x = 92,117,264,778.96/351,207.68
  6. Step 6: Final answer
    x = 262,287.16

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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.