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Finding the Fourth Proportional to 452,918.93, 625,035.89 and 248,978.44

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Solution

The fourth proportional to 452,918.93, 625,035.89 and 248,978.44 is: 343,594.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,918.93 : 625,035.89 = 248,978.44 : x
  2. Step 2: Convert to fraction form
    452,918.93/625,035.89 = 248,978.44/x
  3. Step 3: Cross multiply
    452,918.93x = 625,035.89 × 248,978.44
  4. Step 4: Simplify right side
    452,918.93x = 155,620,460,836.21
  5. Step 5: Solve for x
    x = 155,620,460,836.21/452,918.93
  6. Step 6: Final answer
    x = 343,594.52

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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.