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Finding the Fourth Proportional to 1,348.84, 2,022.47 and 526.16

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Solution

The fourth proportional to 1,348.84, 2,022.47 and 526.16 is: 788.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.84 : 2,022.47 = 526.16 : x
  2. Step 2: Convert to fraction form
    1,348.84/2,022.47 = 526.16/x
  3. Step 3: Cross multiply
    1,348.84x = 2,022.47 × 526.16
  4. Step 4: Simplify right side
    1,348.84x = 1,064,138.68
  5. Step 5: Solve for x
    x = 1,064,138.68/1,348.84
  6. Step 6: Final answer
    x = 788.93

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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.