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Finding the Fourth Proportional to 662,572.84, 914,556.90 and 376,283.56

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Solution

The fourth proportional to 662,572.84, 914,556.90 and 376,283.56 is: 519,388.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,572.84 : 914,556.90 = 376,283.56 : x
  2. Step 2: Convert to fraction form
    662,572.84/914,556.90 = 376,283.56/x
  3. Step 3: Cross multiply
    662,572.84x = 914,556.90 × 376,283.56
  4. Step 4: Simplify right side
    662,572.84x = 344,132,726,154.56
  5. Step 5: Solve for x
    x = 344,132,726,154.56/662,572.84
  6. Step 6: Final answer
    x = 519,388.52

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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.