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Finding the Fourth Proportional to 452,460.68, 624,403.26 and 248,530.47

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Solution

The fourth proportional to 452,460.68, 624,403.26 and 248,530.47 is: 342,976.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,460.68 : 624,403.26 = 248,530.47 : x
  2. Step 2: Convert to fraction form
    452,460.68/624,403.26 = 248,530.47/x
  3. Step 3: Cross multiply
    452,460.68x = 624,403.26 × 248,530.47
  4. Step 4: Simplify right side
    452,460.68x = 155,183,235,677.33
  5. Step 5: Solve for x
    x = 155,183,235,677.33/452,460.68
  6. Step 6: Final answer
    x = 342,976.18

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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.