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Finding the Fourth Proportional to 451,952.99, 623,693.40 and 248,007.32

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Solution

The fourth proportional to 451,952.99, 623,693.40 and 248,007.32 is: 342,249.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,952.99 : 623,693.40 = 248,007.32 : x
  2. Step 2: Convert to fraction form
    451,952.99/623,693.40 = 248,007.32/x
  3. Step 3: Cross multiply
    451,952.99x = 623,693.40 × 248,007.32
  4. Step 4: Simplify right side
    451,952.99x = 154,680,525,517.22
  5. Step 5: Solve for x
    x = 154,680,525,517.22/451,952.99
  6. Step 6: Final answer
    x = 342,249.15

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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.