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Finding the Fourth Proportional to 481,040.76, 663,837.42 and 266,195.52

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Solution

The fourth proportional to 481,040.76, 663,837.42 and 266,195.52 is: 367,350.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,040.76 : 663,837.42 = 266,195.52 : x
  2. Step 2: Convert to fraction form
    481,040.76/663,837.42 = 266,195.52/x
  3. Step 3: Cross multiply
    481,040.76x = 663,837.42 × 266,195.52
  4. Step 4: Simplify right side
    481,040.76x = 176,710,547,212.36
  5. Step 5: Solve for x
    x = 176,710,547,212.36/481,040.76
  6. Step 6: Final answer
    x = 367,350.47

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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.