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Finding the Fourth Proportional to 424,443.99, 585,815.93 and 243,277.37

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Solution

The fourth proportional to 424,443.99, 585,815.93 and 243,277.37 is: 335,770.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,443.99 : 585,815.93 = 243,277.37 : x
  2. Step 2: Convert to fraction form
    424,443.99/585,815.93 = 243,277.37/x
  3. Step 3: Cross multiply
    424,443.99x = 585,815.93 × 243,277.37
  4. Step 4: Simplify right side
    424,443.99x = 142,515,758,754.50
  5. Step 5: Solve for x
    x = 142,515,758,754.50/424,443.99
  6. Step 6: Final answer
    x = 335,770.47

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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.