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Finding the Fourth Proportional to 319,594.82, 479,606.06 and 132,606.32

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Solution

The fourth proportional to 319,594.82, 479,606.06 and 132,606.32 is: 198,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,594.82 : 479,606.06 = 132,606.32 : x
  2. Step 2: Convert to fraction form
    319,594.82/479,606.06 = 132,606.32/x
  3. Step 3: Cross multiply
    319,594.82x = 479,606.06 × 132,606.32
  4. Step 4: Simplify right side
    319,594.82x = 63,598,792,599.78
  5. Step 5: Solve for x
    x = 63,598,792,599.78/319,594.82
  6. Step 6: Final answer
    x = 198,998.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.