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Finding the Fourth Proportional to 1,696.42, 2,544.12 and 526.15

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Solution

The fourth proportional to 1,696.42, 2,544.12 and 526.15 is: 789.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.42 : 2,544.12 = 526.15 : x
  2. Step 2: Convert to fraction form
    1,696.42/2,544.12 = 526.15/x
  3. Step 3: Cross multiply
    1,696.42x = 2,544.12 × 526.15
  4. Step 4: Simplify right side
    1,696.42x = 1,338,588.74
  5. Step 5: Solve for x
    x = 1,338,588.74/1,696.42
  6. Step 6: Final answer
    x = 789.07

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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.