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Finding the Fourth Proportional to 451,632.36, 677,448.84 and 114,698.28

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Solution

The fourth proportional to 451,632.36, 677,448.84 and 114,698.28 is: 172,047.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,632.36 : 677,448.84 = 114,698.28 : x
  2. Step 2: Convert to fraction form
    451,632.36/677,448.84 = 114,698.28/x
  3. Step 3: Cross multiply
    451,632.36x = 677,448.84 × 114,698.28
  4. Step 4: Simplify right side
    451,632.36x = 77,702,216,736.00
  5. Step 5: Solve for x
    x = 77,702,216,736.00/451,632.36
  6. Step 6: Final answer
    x = 172,047.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.