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Finding the Fourth Proportional to 325,007.16, 448,496.63 and 189,045.01

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Solution

The fourth proportional to 325,007.16, 448,496.63 and 189,045.01 is: 260,874.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,007.16 : 448,496.63 = 189,045.01 : x
  2. Step 2: Convert to fraction form
    325,007.16/448,496.63 = 189,045.01/x
  3. Step 3: Cross multiply
    325,007.16x = 448,496.63 × 189,045.01
  4. Step 4: Simplify right side
    325,007.16x = 84,786,048,958.09
  5. Step 5: Solve for x
    x = 84,786,048,958.09/325,007.16
  6. Step 6: Final answer
    x = 260,874.41

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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.