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Finding the Fourth Proportional to 1,404.62, 2,106.92 and 582.67

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Solution

The fourth proportional to 1,404.62, 2,106.92 and 582.67 is: 874.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404.62 : 2,106.92 = 582.67 : x
  2. Step 2: Convert to fraction form
    1,404.62/2,106.92 = 582.67/x
  3. Step 3: Cross multiply
    1,404.62x = 2,106.92 × 582.67
  4. Step 4: Simplify right side
    1,404.62x = 1,227,635.27
  5. Step 5: Solve for x
    x = 1,227,635.27/1,404.62
  6. Step 6: Final answer
    x = 874.00

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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.