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Finding the Fourth Proportional to 559,198.76, 838,799.62 and 259,641.32

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Solution

The fourth proportional to 559,198.76, 838,799.62 and 259,641.32 is: 389,462.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,198.76 : 838,799.62 = 259,641.32 : x
  2. Step 2: Convert to fraction form
    559,198.76/838,799.62 = 259,641.32/x
  3. Step 3: Cross multiply
    559,198.76x = 838,799.62 × 259,641.32
  4. Step 4: Simplify right side
    559,198.76x = 217,787,040,552.30
  5. Step 5: Solve for x
    x = 217,787,040,552.30/559,198.76
  6. Step 6: Final answer
    x = 389,462.67

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1.5x scale

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.