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Finding the Fourth Proportional to 1,348.59, 2,022.48 and 526.68

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Solution

The fourth proportional to 1,348.59, 2,022.48 and 526.68 is: 789.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.59 : 2,022.48 = 526.68 : x
  2. Step 2: Convert to fraction form
    1,348.59/2,022.48 = 526.68/x
  3. Step 3: Cross multiply
    1,348.59x = 2,022.48 × 526.68
  4. Step 4: Simplify right side
    1,348.59x = 1,065,199.77
  5. Step 5: Solve for x
    x = 1,065,199.77/1,348.59
  6. Step 6: Final answer
    x = 789.86

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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.