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Finding the Fourth Proportional to 490,341.66, 734,142.18 and 264,894.42

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Solution

The fourth proportional to 490,341.66, 734,142.18 and 264,894.42 is: 396,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,341.66 : 734,142.18 = 264,894.42 : x
  2. Step 2: Convert to fraction form
    490,341.66/734,142.18 = 264,894.42/x
  3. Step 3: Cross multiply
    490,341.66x = 734,142.18 × 264,894.42
  4. Step 4: Simplify right side
    490,341.66x = 194,470,166,968.64
  5. Step 5: Solve for x
    x = 194,470,166,968.64/490,341.66
  6. Step 6: Final answer
    x = 396,601.36

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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.