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Finding the Fourth Proportional to 559,351.79, 838,465.88 and 179,993.72

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Solution

The fourth proportional to 559,351.79, 838,465.88 and 179,993.72 is: 269,809.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,351.79 : 838,465.88 = 179,993.72 : x
  2. Step 2: Convert to fraction form
    559,351.79/838,465.88 = 179,993.72/x
  3. Step 3: Cross multiply
    559,351.79x = 838,465.88 × 179,993.72
  4. Step 4: Simplify right side
    559,351.79x = 150,918,587,741.98
  5. Step 5: Solve for x
    x = 150,918,587,741.98/559,351.79
  6. Step 6: Final answer
    x = 269,809.79

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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.