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Finding the Fourth Proportional to 639,194.01, 958,824.06 and 606,871.68

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Solution

The fourth proportional to 639,194.01, 958,824.06 and 606,871.68 is: 910,338.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,194.01 : 958,824.06 = 606,871.68 : x
  2. Step 2: Convert to fraction form
    639,194.01/958,824.06 = 606,871.68/x
  3. Step 3: Cross multiply
    639,194.01x = 958,824.06 × 606,871.68
  4. Step 4: Simplify right side
    639,194.01x = 581,883,168,116.62
  5. Step 5: Solve for x
    x = 581,883,168,116.62/639,194.01
  6. Step 6: Final answer
    x = 910,338.89

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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.