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Finding the Fourth Proportional to 451,956.75, 623,698.56 and 248,011.08

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Solution

The fourth proportional to 451,956.75, 623,698.56 and 248,011.08 is: 342,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,956.75 : 623,698.56 = 248,011.08 : x
  2. Step 2: Convert to fraction form
    451,956.75/623,698.56 = 248,011.08/x
  3. Step 3: Cross multiply
    451,956.75x = 623,698.56 × 248,011.08
  4. Step 4: Simplify right side
    451,956.75x = 154,684,153,460.05
  5. Step 5: Solve for x
    x = 154,684,153,460.05/451,956.75
  6. Step 6: Final answer
    x = 342,254.33

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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.