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Finding the Fourth Proportional to 454,967.39, 627,857.18 and 251,018.30

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Solution

The fourth proportional to 454,967.39, 627,857.18 and 251,018.30 is: 346,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,967.39 : 627,857.18 = 251,018.30 : x
  2. Step 2: Convert to fraction form
    454,967.39/627,857.18 = 251,018.30/x
  3. Step 3: Cross multiply
    454,967.39x = 627,857.18 × 251,018.30
  4. Step 4: Simplify right side
    454,967.39x = 157,603,637,572.02
  5. Step 5: Solve for x
    x = 157,603,637,572.02/454,967.39
  6. Step 6: Final answer
    x = 346,406.45

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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.