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Finding the Fourth Proportional to 325,006.16, 448,495.25 and 189,044.01

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Solution

The fourth proportional to 325,006.16, 448,495.25 and 189,044.01 is: 260,873.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,006.16 : 448,495.25 = 189,044.01 : x
  2. Step 2: Convert to fraction form
    325,006.16/448,495.25 = 189,044.01/x
  3. Step 3: Cross multiply
    325,006.16x = 448,495.25 × 189,044.01
  4. Step 4: Simplify right side
    325,006.16x = 84,785,339,580.73
  5. Step 5: Solve for x
    x = 84,785,339,580.73/325,006.16
  6. Step 6: Final answer
    x = 260,873.03

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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.