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Finding the Fourth Proportional to 353,567.73, 487,914.08 and 192,419.31

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Solution

The fourth proportional to 353,567.73, 487,914.08 and 192,419.31 is: 265,533.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,567.73 : 487,914.08 = 192,419.31 : x
  2. Step 2: Convert to fraction form
    353,567.73/487,914.08 = 192,419.31/x
  3. Step 3: Cross multiply
    353,567.73x = 487,914.08 × 192,419.31
  4. Step 4: Simplify right side
    353,567.73x = 93,884,090,612.88
  5. Step 5: Solve for x
    x = 93,884,090,612.88/353,567.73
  6. Step 6: Final answer
    x = 265,533.54

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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.