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Finding the Fourth Proportional to 451,960.54, 623,703.83 and 248,014.87

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Solution

The fourth proportional to 451,960.54, 623,703.83 and 248,014.87 is: 342,259.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,960.54 : 623,703.83 = 248,014.87 : x
  2. Step 2: Convert to fraction form
    451,960.54/623,703.83 = 248,014.87/x
  3. Step 3: Cross multiply
    451,960.54x = 623,703.83 × 248,014.87
  4. Step 4: Simplify right side
    451,960.54x = 154,687,824,935.99
  5. Step 5: Solve for x
    x = 154,687,824,935.99/451,960.54
  6. Step 6: Final answer
    x = 342,259.58

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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.