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Finding the Fourth Proportional to 662,763.02, 914,613 and 360,957.02

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Solution

The fourth proportional to 662,763.02, 914,613 and 360,957.02 is: 498,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,763.02 : 914,613 = 360,957.02 : x
  2. Step 2: Convert to fraction form
    662,763.02/914,613 = 360,957.02/x
  3. Step 3: Cross multiply
    662,763.02x = 914,613 × 360,957.02
  4. Step 4: Simplify right side
    662,763.02x = 330,135,982,933.26
  5. Step 5: Solve for x
    x = 330,135,982,933.26/662,763.02
  6. Step 6: Final answer
    x = 498,120.71

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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.