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Finding the Fourth Proportional to 341,731.01, 512,706.20 and 164,250.89

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Solution

The fourth proportional to 341,731.01, 512,706.20 and 164,250.89 is: 246,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,731.01 : 512,706.20 = 164,250.89 : x
  2. Step 2: Convert to fraction form
    341,731.01/512,706.20 = 164,250.89/x
  3. Step 3: Cross multiply
    341,731.01x = 512,706.20 × 164,250.89
  4. Step 4: Simplify right side
    341,731.01x = 84,212,448,837.26
  5. Step 5: Solve for x
    x = 84,212,448,837.26/341,731.01
  6. Step 6: Final answer
    x = 246,429.05

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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.