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Finding the Fourth Proportional to 555,697.77, 833,546.66 and 134,970.81

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Solution

The fourth proportional to 555,697.77, 833,546.66 and 134,970.81 is: 202,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,697.77 : 833,546.66 = 134,970.81 : x
  2. Step 2: Convert to fraction form
    555,697.77/833,546.66 = 134,970.81/x
  3. Step 3: Cross multiply
    555,697.77x = 833,546.66 × 134,970.81
  4. Step 4: Simplify right side
    555,697.77x = 112,504,467,198.14
  5. Step 5: Solve for x
    x = 112,504,467,198.14/555,697.77
  6. Step 6: Final answer
    x = 202,456.22

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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.