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Finding the Fourth Proportional to 325,121, 487,238.70 and 183,034.04

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Solution

The fourth proportional to 325,121, 487,238.70 and 183,034.04 is: 274,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,121 : 487,238.70 = 183,034.04 : x
  2. Step 2: Convert to fraction form
    325,121/487,238.70 = 183,034.04/x
  3. Step 3: Cross multiply
    325,121x = 487,238.70 × 183,034.04
  4. Step 4: Simplify right side
    325,121x = 89,181,267,705.35
  5. Step 5: Solve for x
    x = 89,181,267,705.35/325,121
  6. Step 6: Final answer
    x = 274,301.78

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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.