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Finding the Fourth Proportional to 1,922.42, 2,883.74 and 606.38

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Solution

The fourth proportional to 1,922.42, 2,883.74 and 606.38 is: 909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.42 : 2,883.74 = 606.38 : x
  2. Step 2: Convert to fraction form
    1,922.42/2,883.74 = 606.38/x
  3. Step 3: Cross multiply
    1,922.42x = 2,883.74 × 606.38
  4. Step 4: Simplify right side
    1,922.42x = 1,748,624.81
  5. Step 5: Solve for x
    x = 1,748,624.81/1,922.42
  6. Step 6: Final answer
    x = 909.60

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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.