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Finding the Fourth Proportional to 451,950.14, 623,689.48 and 248,004.48

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Solution

The fourth proportional to 451,950.14, 623,689.48 and 248,004.48 is: 342,245.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,950.14 : 623,689.48 = 248,004.48 : x
  2. Step 2: Convert to fraction form
    451,950.14/623,689.48 = 248,004.48/x
  3. Step 3: Cross multiply
    451,950.14x = 623,689.48 × 248,004.48
  4. Step 4: Simplify right side
    451,950.14x = 154,677,785,168.87
  5. Step 5: Solve for x
    x = 154,677,785,168.87/451,950.14
  6. Step 6: Final answer
    x = 342,245.24

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1.5x scale

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.