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Finding the Fourth Proportional to 662,570.28, 914,362.02 and 376,063.56

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Solution

The fourth proportional to 662,570.28, 914,362.02 and 376,063.56 is: 518,976.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,570.28 : 914,362.02 = 376,063.56 : x
  2. Step 2: Convert to fraction form
    662,570.28/914,362.02 = 376,063.56/x
  3. Step 3: Cross multiply
    662,570.28x = 914,362.02 × 376,063.56
  4. Step 4: Simplify right side
    662,570.28x = 343,858,236,369.99
  5. Step 5: Solve for x
    x = 343,858,236,369.99/662,570.28
  6. Step 6: Final answer
    x = 518,976.25

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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.