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Finding the Fourth Proportional to 481,559.64, 664,552.04 and 266,699.51

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Solution

The fourth proportional to 481,559.64, 664,552.04 and 266,699.51 is: 368,045.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,559.64 : 664,552.04 = 266,699.51 : x
  2. Step 2: Convert to fraction form
    481,559.64/664,552.04 = 266,699.51/x
  3. Step 3: Cross multiply
    481,559.64x = 664,552.04 × 266,699.51
  4. Step 4: Simplify right side
    481,559.64x = 177,235,698,781.24
  5. Step 5: Solve for x
    x = 177,235,698,781.24/481,559.64
  6. Step 6: Final answer
    x = 368,045.17

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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.