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Finding the Fourth Proportional to 299,210.67, 412,926.53 and 171,894.47

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Solution

The fourth proportional to 299,210.67, 412,926.53 and 171,894.47 is: 237,223.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,210.67 : 412,926.53 = 171,894.47 : x
  2. Step 2: Convert to fraction form
    299,210.67/412,926.53 = 171,894.47/x
  3. Step 3: Cross multiply
    299,210.67x = 412,926.53 × 171,894.47
  4. Step 4: Simplify right side
    299,210.67x = 70,979,784,099.18
  5. Step 5: Solve for x
    x = 70,979,784,099.18/299,210.67
  6. Step 6: Final answer
    x = 237,223.44

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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.