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Finding the Fourth Proportional to 260,020.52, 358,817 and 163,274.52

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Solution

The fourth proportional to 260,020.52, 358,817 and 163,274.52 is: 225,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,020.52 : 358,817 = 163,274.52 : x
  2. Step 2: Convert to fraction form
    260,020.52/358,817 = 163,274.52/x
  3. Step 3: Cross multiply
    260,020.52x = 358,817 × 163,274.52
  4. Step 4: Simplify right side
    260,020.52x = 58,585,673,442.84
  5. Step 5: Solve for x
    x = 58,585,673,442.84/260,020.52
  6. Step 6: Final answer
    x = 225,311.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.