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Finding the Fourth Proportional to 716,529.88, 1,074,755.94 and 217,855

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Solution

The fourth proportional to 716,529.88, 1,074,755.94 and 217,855 is: 326,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,529.88 : 1,074,755.94 = 217,855 : x
  2. Step 2: Convert to fraction form
    716,529.88/1,074,755.94 = 217,855/x
  3. Step 3: Cross multiply
    716,529.88x = 1,074,755.94 × 217,855
  4. Step 4: Simplify right side
    716,529.88x = 234,140,955,308.70
  5. Step 5: Solve for x
    x = 234,140,955,308.70/716,529.88
  6. Step 6: Final answer
    x = 326,770.68

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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.