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Finding the Fourth Proportional to 454,971.84, 627,857.07 and 251,024.57

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Solution

The fourth proportional to 454,971.84, 627,857.07 and 251,024.57 is: 346,411.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,971.84 : 627,857.07 = 251,024.57 : x
  2. Step 2: Convert to fraction form
    454,971.84/627,857.07 = 251,024.57/x
  3. Step 3: Cross multiply
    454,971.84x = 627,857.07 × 251,024.57
  4. Step 4: Simplify right side
    454,971.84x = 157,607,550,704.06
  5. Step 5: Solve for x
    x = 157,607,550,704.06/454,971.84
  6. Step 6: Final answer
    x = 346,411.66

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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.