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Finding the Fourth Proportional to 367,391.90, 550,574.58 and 198,548.22

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Solution

The fourth proportional to 367,391.90, 550,574.58 and 198,548.22 is: 297,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,391.90 : 550,574.58 = 198,548.22 : x
  2. Step 2: Convert to fraction form
    367,391.90/550,574.58 = 198,548.22/x
  3. Step 3: Cross multiply
    367,391.90x = 550,574.58 × 198,548.22
  4. Step 4: Simplify right side
    367,391.90x = 109,315,602,836.25
  5. Step 5: Solve for x
    x = 109,315,602,836.25/367,391.90
  6. Step 6: Final answer
    x = 297,544.95

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1.5x scale

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.