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Finding the Fourth Proportional to 1,348.85, 2,022.88 and 526.93

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Solution

The fourth proportional to 1,348.85, 2,022.88 and 526.93 is: 790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.85 : 2,022.88 = 526.93 : x
  2. Step 2: Convert to fraction form
    1,348.85/2,022.88 = 526.93/x
  3. Step 3: Cross multiply
    1,348.85x = 2,022.88 × 526.93
  4. Step 4: Simplify right side
    1,348.85x = 1,065,916.16
  5. Step 5: Solve for x
    x = 1,065,916.16/1,348.85
  6. Step 6: Final answer
    x = 790.24

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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.