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Finding the Fourth Proportional to 886,798.04, 1,330,393.90 and 255,662.60

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Solution

The fourth proportional to 886,798.04, 1,330,393.90 and 255,662.60 is: 383,550.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,798.04 : 1,330,393.90 = 255,662.60 : x
  2. Step 2: Convert to fraction form
    886,798.04/1,330,393.90 = 255,662.60/x
  3. Step 3: Cross multiply
    886,798.04x = 1,330,393.90 × 255,662.60
  4. Step 4: Simplify right side
    886,798.04x = 340,131,963,498.14
  5. Step 5: Solve for x
    x = 340,131,963,498.14/886,798.04
  6. Step 6: Final answer
    x = 383,550.65

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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.