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Finding the Fourth Proportional to 303,518.80, 454,986.60 and 236,013.40

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Solution

The fourth proportional to 303,518.80, 454,986.60 and 236,013.40 is: 353,793.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,518.80 : 454,986.60 = 236,013.40 : x
  2. Step 2: Convert to fraction form
    303,518.80/454,986.60 = 236,013.40/x
  3. Step 3: Cross multiply
    303,518.80x = 454,986.60 × 236,013.40
  4. Step 4: Simplify right side
    303,518.80x = 107,382,934,420.44
  5. Step 5: Solve for x
    x = 107,382,934,420.44/303,518.80
  6. Step 6: Final answer
    x = 353,793.35

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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.