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Finding the Fourth Proportional to 298,825.01, 412,330.19 and 177,963.15

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Solution

The fourth proportional to 298,825.01, 412,330.19 and 177,963.15 is: 245,560.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,825.01 : 412,330.19 = 177,963.15 : x
  2. Step 2: Convert to fraction form
    298,825.01/412,330.19 = 177,963.15/x
  3. Step 3: Cross multiply
    298,825.01x = 412,330.19 × 177,963.15
  4. Step 4: Simplify right side
    298,825.01x = 73,379,578,562.68
  5. Step 5: Solve for x
    x = 73,379,578,562.68/298,825.01
  6. Step 6: Final answer
    x = 245,560.37

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1.5x scale

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.