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Finding the Fourth Proportional to 627,354.51, 940,384.26 and 248,121.52

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Solution

The fourth proportional to 627,354.51, 940,384.26 and 248,121.52 is: 371,926.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,354.51 : 940,384.26 = 248,121.52 : x
  2. Step 2: Convert to fraction form
    627,354.51/940,384.26 = 248,121.52/x
  3. Step 3: Cross multiply
    627,354.51x = 940,384.26 × 248,121.52
  4. Step 4: Simplify right side
    627,354.51x = 233,329,571,975.28
  5. Step 5: Solve for x
    x = 233,329,571,975.28/627,354.51
  6. Step 6: Final answer
    x = 371,926.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.