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Finding the Fourth Proportional to 662,564.39, 914,105.84 and 433,255.82

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Solution

The fourth proportional to 662,564.39, 914,105.84 and 433,255.82 is: 597,740.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,564.39 : 914,105.84 = 433,255.82 : x
  2. Step 2: Convert to fraction form
    662,564.39/914,105.84 = 433,255.82/x
  3. Step 3: Cross multiply
    662,564.39x = 914,105.84 × 433,255.82
  4. Step 4: Simplify right side
    662,564.39x = 396,041,668,539.18
  5. Step 5: Solve for x
    x = 396,041,668,539.18/662,564.39
  6. Step 6: Final answer
    x = 597,740.65

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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.