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Finding the Fourth Proportional to 454,674.47, 627,465.93 and 247,954.18

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Solution

The fourth proportional to 454,674.47, 627,465.93 and 247,954.18 is: 342,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,674.47 : 627,465.93 = 247,954.18 : x
  2. Step 2: Convert to fraction form
    454,674.47/627,465.93 = 247,954.18/x
  3. Step 3: Cross multiply
    454,674.47x = 627,465.93 × 247,954.18
  4. Step 4: Simplify right side
    454,674.47x = 155,582,800,151.09
  5. Step 5: Solve for x
    x = 155,582,800,151.09/454,674.47
  6. Step 6: Final answer
    x = 342,185.04

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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.