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Finding the Fourth Proportional to 304,007.22, 419,487.08 and 173,188.31

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Solution

The fourth proportional to 304,007.22, 419,487.08 and 173,188.31 is: 238,975.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,007.22 : 419,487.08 = 173,188.31 : x
  2. Step 2: Convert to fraction form
    304,007.22/419,487.08 = 173,188.31/x
  3. Step 3: Cross multiply
    304,007.22x = 419,487.08 × 173,188.31
  4. Step 4: Simplify right side
    304,007.22x = 72,650,255,488.66
  5. Step 5: Solve for x
    x = 72,650,255,488.66/304,007.22
  6. Step 6: Final answer
    x = 238,975.43

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1.5x scale

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.