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Finding the Fourth Proportional to 554,944.54, 765,825.48 and 300,295.73

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Solution

The fourth proportional to 554,944.54, 765,825.48 and 300,295.73 is: 414,409.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,944.54 : 765,825.48 = 300,295.73 : x
  2. Step 2: Convert to fraction form
    554,944.54/765,825.48 = 300,295.73/x
  3. Step 3: Cross multiply
    554,944.54x = 765,825.48 × 300,295.73
  4. Step 4: Simplify right side
    554,944.54x = 229,974,117,740.07
  5. Step 5: Solve for x
    x = 229,974,117,740.07/554,944.54
  6. Step 6: Final answer
    x = 414,409.19

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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.