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Finding the Fourth Proportional to 329,793.60, 494,027 and 249,968.10

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Solution

The fourth proportional to 329,793.60, 494,027 and 249,968.10 is: 374,449.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,793.60 : 494,027 = 249,968.10 : x
  2. Step 2: Convert to fraction form
    329,793.60/494,027 = 249,968.10/x
  3. Step 3: Cross multiply
    329,793.60x = 494,027 × 249,968.10
  4. Step 4: Simplify right side
    329,793.60x = 123,490,990,538.70
  5. Step 5: Solve for x
    x = 123,490,990,538.70/329,793.60
  6. Step 6: Final answer
    x = 374,449.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.