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Finding the Fourth Proportional to 344,487.61, 475,419.51 and 206,671.72

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Solution

The fourth proportional to 344,487.61, 475,419.51 and 206,671.72 is: 285,222.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,487.61 : 475,419.51 = 206,671.72 : x
  2. Step 2: Convert to fraction form
    344,487.61/475,419.51 = 206,671.72/x
  3. Step 3: Cross multiply
    344,487.61x = 475,419.51 × 206,671.72
  4. Step 4: Simplify right side
    344,487.61x = 98,255,767,853.26
  5. Step 5: Solve for x
    x = 98,255,767,853.26/344,487.61
  6. Step 6: Final answer
    x = 285,222.94

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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.