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Finding the Fourth Proportional to 452,908.91, 625,028.46 and 248,975.55

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Solution

The fourth proportional to 452,908.91, 625,028.46 and 248,975.55 is: 343,594.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,908.91 : 625,028.46 = 248,975.55 : x
  2. Step 2: Convert to fraction form
    452,908.91/625,028.46 = 248,975.55/x
  3. Step 3: Cross multiply
    452,908.91x = 625,028.46 × 248,975.55
  4. Step 4: Simplify right side
    452,908.91x = 155,616,804,594.15
  5. Step 5: Solve for x
    x = 155,616,804,594.15/452,908.91
  6. Step 6: Final answer
    x = 343,594.05

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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.