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Finding the Fourth Proportional to 341,731.51, 512,706.95 and 164,251.39

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Solution

The fourth proportional to 341,731.51, 512,706.95 and 164,251.39 is: 246,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,731.51 : 512,706.95 = 164,251.39 : x
  2. Step 2: Convert to fraction form
    341,731.51/512,706.95 = 164,251.39/x
  3. Step 3: Cross multiply
    341,731.51x = 512,706.95 × 164,251.39
  4. Step 4: Simplify right side
    341,731.51x = 84,212,829,200.16
  5. Step 5: Solve for x
    x = 84,212,829,200.16/341,731.51
  6. Step 6: Final answer
    x = 246,429.80

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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.