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Finding the Fourth Proportional to 454,929, 627,802.02 and 253,725

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Solution

The fourth proportional to 454,929, 627,802.02 and 253,725 is: 350,140.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,929 : 627,802.02 = 253,725 : x
  2. Step 2: Convert to fraction form
    454,929/627,802.02 = 253,725/x
  3. Step 3: Cross multiply
    454,929x = 627,802.02 × 253,725
  4. Step 4: Simplify right side
    454,929x = 159,289,067,524.50
  5. Step 5: Solve for x
    x = 159,289,067,524.50/454,929
  6. Step 6: Final answer
    x = 350,140.50

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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.