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Finding the Fourth Proportional to 662,902.92, 914,809.46 and 361,096.84

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Solution

The fourth proportional to 662,902.92, 914,809.46 and 361,096.84 is: 498,315.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,902.92 : 914,809.46 = 361,096.84 : x
  2. Step 2: Convert to fraction form
    662,902.92/914,809.46 = 361,096.84/x
  3. Step 3: Cross multiply
    662,902.92x = 914,809.46 × 361,096.84
  4. Step 4: Simplify right side
    662,902.92x = 330,334,805,208.11
  5. Step 5: Solve for x
    x = 330,334,805,208.11/662,902.92
  6. Step 6: Final answer
    x = 498,315.51

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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.