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Finding the Fourth Proportional to 451,955.74, 623,697.20 and 248,010.06

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Solution

The fourth proportional to 451,955.74, 623,697.20 and 248,010.06 is: 342,252.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,955.74 : 623,697.20 = 248,010.06 : x
  2. Step 2: Convert to fraction form
    451,955.74/623,697.20 = 248,010.06/x
  3. Step 3: Cross multiply
    451,955.74x = 623,697.20 × 248,010.06
  4. Step 4: Simplify right side
    451,955.74x = 154,683,179,993.83
  5. Step 5: Solve for x
    x = 154,683,179,993.83/451,955.74
  6. Step 6: Final answer
    x = 342,252.94

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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.