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Finding the Fourth Proportional to 481,407.02, 664,362.42 and 266,547.05

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Solution

The fourth proportional to 481,407.02, 664,362.42 and 266,547.05 is: 367,846.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,407.02 : 664,362.42 = 266,547.05 : x
  2. Step 2: Convert to fraction form
    481,407.02/664,362.42 = 266,547.05/x
  3. Step 3: Cross multiply
    481,407.02x = 664,362.42 × 266,547.05
  4. Step 4: Simplify right side
    481,407.02x = 177,083,843,181.86
  5. Step 5: Solve for x
    x = 177,083,843,181.86/481,407.02
  6. Step 6: Final answer
    x = 367,846.41

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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.