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Finding the Fourth Proportional to 451,954.12, 623,708.26 and 248,013.80

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Solution

The fourth proportional to 451,954.12, 623,708.26 and 248,013.80 is: 342,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,954.12 : 623,708.26 = 248,013.80 : x
  2. Step 2: Convert to fraction form
    451,954.12/623,708.26 = 248,013.80/x
  3. Step 3: Cross multiply
    451,954.12x = 623,708.26 × 248,013.80
  4. Step 4: Simplify right side
    451,954.12x = 154,688,255,653.99
  5. Step 5: Solve for x
    x = 154,688,255,653.99/451,954.12
  6. Step 6: Final answer
    x = 342,265.40

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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.