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Finding the Fourth Proportional to 329,788.60, 494,019.51 and 249,963.10

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Solution

The fourth proportional to 329,788.60, 494,019.51 and 249,963.10 is: 374,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,788.60 : 494,019.51 = 249,963.10 : x
  2. Step 2: Convert to fraction form
    329,788.60/494,019.51 = 249,963.10/x
  3. Step 3: Cross multiply
    329,788.60x = 494,019.51 × 249,963.10
  4. Step 4: Simplify right side
    329,788.60x = 123,486,648,180.08
  5. Step 5: Solve for x
    x = 123,486,648,180.08/329,788.60
  6. Step 6: Final answer
    x = 374,441.83

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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.