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Finding the Fourth Proportional to 454,655.16, 627,395.12 and 250,707.39

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Solution

The fourth proportional to 454,655.16, 627,395.12 and 250,707.39 is: 345,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,655.16 : 627,395.12 = 250,707.39 : x
  2. Step 2: Convert to fraction form
    454,655.16/627,395.12 = 250,707.39/x
  3. Step 3: Cross multiply
    454,655.16x = 627,395.12 × 250,707.39
  4. Step 4: Simplify right side
    454,655.16x = 157,292,590,367.82
  5. Step 5: Solve for x
    x = 157,292,590,367.82/454,655.16
  6. Step 6: Final answer
    x = 345,960.20

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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.