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Finding the Fourth Proportional to 361,315.14, 541,815.54 and 192,798.18

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Solution

The fourth proportional to 361,315.14, 541,815.54 and 192,798.18 is: 289,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,315.14 : 541,815.54 = 192,798.18 : x
  2. Step 2: Convert to fraction form
    361,315.14/541,815.54 = 192,798.18/x
  3. Step 3: Cross multiply
    361,315.14x = 541,815.54 × 192,798.18
  4. Step 4: Simplify right side
    361,315.14x = 104,461,050,007.72
  5. Step 5: Solve for x
    x = 104,461,050,007.72/361,315.14
  6. Step 6: Final answer
    x = 289,113.40

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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.