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Finding the Fourth Proportional to 325,950.51, 488,802.87 and 136,424.01

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Solution

The fourth proportional to 325,950.51, 488,802.87 and 136,424.01 is: 204,584.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,950.51 : 488,802.87 = 136,424.01 : x
  2. Step 2: Convert to fraction form
    325,950.51/488,802.87 = 136,424.01/x
  3. Step 3: Cross multiply
    325,950.51x = 488,802.87 × 136,424.01
  4. Step 4: Simplify right side
    325,950.51x = 66,684,447,624.91
  5. Step 5: Solve for x
    x = 66,684,447,624.91/325,950.51
  6. Step 6: Final answer
    x = 204,584.58

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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.