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Finding the Fourth Proportional to 452,935.69, 625,059.15 and 248,995.21

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Solution

The fourth proportional to 452,935.69, 625,059.15 and 248,995.21 is: 343,617.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,935.69 : 625,059.15 = 248,995.21 : x
  2. Step 2: Convert to fraction form
    452,935.69/625,059.15 = 248,995.21/x
  3. Step 3: Cross multiply
    452,935.69x = 625,059.15 × 248,995.21
  4. Step 4: Simplify right side
    452,935.69x = 155,636,734,316.67
  5. Step 5: Solve for x
    x = 155,636,734,316.67/452,935.69
  6. Step 6: Final answer
    x = 343,617.73

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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.