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Finding the Fourth Proportional to 470,040.66, 648,662.85 and 255,181.14

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Solution

The fourth proportional to 470,040.66, 648,662.85 and 255,181.14 is: 352,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,040.66 : 648,662.85 = 255,181.14 : x
  2. Step 2: Convert to fraction form
    470,040.66/648,662.85 = 255,181.14/x
  3. Step 3: Cross multiply
    470,040.66x = 648,662.85 × 255,181.14
  4. Step 4: Simplify right side
    470,040.66x = 165,526,525,538.65
  5. Step 5: Solve for x
    x = 165,526,525,538.65/470,040.66
  6. Step 6: Final answer
    x = 352,153.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.