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Finding the Fourth Proportional to 299,087.52, 448,628.04 and 172,917.60

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Solution

The fourth proportional to 299,087.52, 448,628.04 and 172,917.60 is: 259,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,087.52 : 448,628.04 = 172,917.60 : x
  2. Step 2: Convert to fraction form
    299,087.52/448,628.04 = 172,917.60/x
  3. Step 3: Cross multiply
    299,087.52x = 448,628.04 × 172,917.60
  4. Step 4: Simplify right side
    299,087.52x = 77,575,683,969.50
  5. Step 5: Solve for x
    x = 77,575,683,969.50/299,087.52
  6. Step 6: Final answer
    x = 259,374.53

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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.