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Finding the Fourth Proportional to 639,041.44, 958,654.32 and 195,844

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Solution

The fourth proportional to 639,041.44, 958,654.32 and 195,844 is: 293,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,041.44 : 958,654.32 = 195,844 : x
  2. Step 2: Convert to fraction form
    639,041.44/958,654.32 = 195,844/x
  3. Step 3: Cross multiply
    639,041.44x = 958,654.32 × 195,844
  4. Step 4: Simplify right side
    639,041.44x = 187,746,696,646.08
  5. Step 5: Solve for x
    x = 187,746,696,646.08/639,041.44
  6. Step 6: Final answer
    x = 293,794.24

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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.