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Finding the Fourth Proportional to 451,967.72, 623,713.72 and 248,022.08

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Solution

The fourth proportional to 451,967.72, 623,713.72 and 248,022.08 is: 342,269.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,967.72 : 623,713.72 = 248,022.08 : x
  2. Step 2: Convert to fraction form
    451,967.72/623,713.72 = 248,022.08/x
  3. Step 3: Cross multiply
    451,967.72x = 623,713.72 × 248,022.08
  4. Step 4: Simplify right side
    451,967.72x = 154,694,774,158.94
  5. Step 5: Solve for x
    x = 154,694,774,158.94/451,967.72
  6. Step 6: Final answer
    x = 342,269.52

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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.