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Finding the Fourth Proportional to 1,594.06, 2,390.22 and 553.98

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Solution

The fourth proportional to 1,594.06, 2,390.22 and 553.98 is: 830.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.06 : 2,390.22 = 553.98 : x
  2. Step 2: Convert to fraction form
    1,594.06/2,390.22 = 553.98/x
  3. Step 3: Cross multiply
    1,594.06x = 2,390.22 × 553.98
  4. Step 4: Simplify right side
    1,594.06x = 1,324,134.08
  5. Step 5: Solve for x
    x = 1,324,134.08/1,594.06
  6. Step 6: Final answer
    x = 830.67

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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.