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Finding the Fourth Proportional to 886,794.04, 1,330,387.90 and 255,658.60

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Solution

The fourth proportional to 886,794.04, 1,330,387.90 and 255,658.60 is: 383,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,794.04 : 1,330,387.90 = 255,658.60 : x
  2. Step 2: Convert to fraction form
    886,794.04/1,330,387.90 = 255,658.60/x
  3. Step 3: Cross multiply
    886,794.04x = 1,330,387.90 × 255,658.60
  4. Step 4: Simplify right side
    886,794.04x = 340,125,107,970.94
  5. Step 5: Solve for x
    x = 340,125,107,970.94/886,794.04
  6. Step 6: Final answer
    x = 383,544.65

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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.