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Finding the Fourth Proportional to 662,782.02, 914,639.22 and 360,976.02

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Solution

The fourth proportional to 662,782.02, 914,639.22 and 360,976.02 is: 498,146.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,782.02 : 914,639.22 = 360,976.02 : x
  2. Step 2: Convert to fraction form
    662,782.02/914,639.22 = 360,976.02/x
  3. Step 3: Cross multiply
    662,782.02x = 914,639.22 × 360,976.02
  4. Step 4: Simplify right side
    662,782.02x = 330,162,825,371.50
  5. Step 5: Solve for x
    x = 330,162,825,371.50/662,782.02
  6. Step 6: Final answer
    x = 498,146.93

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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.