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Finding the Fourth Proportional to 319,448.93, 478,766.36 and 169,760.93

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Solution

The fourth proportional to 319,448.93, 478,766.36 and 169,760.93 is: 254,425.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,448.93 : 478,766.36 = 169,760.93 : x
  2. Step 2: Convert to fraction form
    319,448.93/478,766.36 = 169,760.93/x
  3. Step 3: Cross multiply
    319,448.93x = 478,766.36 × 169,760.93
  4. Step 4: Simplify right side
    319,448.93x = 81,275,819,283.68
  5. Step 5: Solve for x
    x = 81,275,819,283.68/319,448.93
  6. Step 6: Final answer
    x = 254,425.08

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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.