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Finding the Fourth Proportional to 454,953.51, 627,838.03 and 251,004.42

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Solution

The fourth proportional to 454,953.51, 627,838.03 and 251,004.42 is: 346,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,953.51 : 627,838.03 = 251,004.42 : x
  2. Step 2: Convert to fraction form
    454,953.51/627,838.03 = 251,004.42/x
  3. Step 3: Cross multiply
    454,953.51x = 627,838.03 × 251,004.42
  4. Step 4: Simplify right side
    454,953.51x = 157,590,119,946.58
  5. Step 5: Solve for x
    x = 157,590,119,946.58/454,953.51
  6. Step 6: Final answer
    x = 346,387.30

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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.