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Finding the Fourth Proportional to 472,968.04, 708,183.60 and 295,121.20

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Solution

The fourth proportional to 472,968.04, 708,183.60 and 295,121.20 is: 441,890.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,968.04 : 708,183.60 = 295,121.20 : x
  2. Step 2: Convert to fraction form
    472,968.04/708,183.60 = 295,121.20/x
  3. Step 3: Cross multiply
    472,968.04x = 708,183.60 × 295,121.20
  4. Step 4: Simplify right side
    472,968.04x = 208,999,993,852.32
  5. Step 5: Solve for x
    x = 208,999,993,852.32/472,968.04
  6. Step 6: Final answer
    x = 441,890.31

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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.