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Finding the Fourth Proportional to 451,958.22, 623,700.63 and 248,012.58

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Solution

The fourth proportional to 451,958.22, 623,700.63 and 248,012.58 is: 342,256.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,958.22 : 623,700.63 = 248,012.58 : x
  2. Step 2: Convert to fraction form
    451,958.22/623,700.63 = 248,012.58/x
  3. Step 3: Cross multiply
    451,958.22x = 623,700.63 × 248,012.58
  4. Step 4: Simplify right side
    451,958.22x = 154,685,602,393.93
  5. Step 5: Solve for x
    x = 154,685,602,393.93/451,958.22
  6. Step 6: Final answer
    x = 342,256.42

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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.