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Finding the Fourth Proportional to 298,750.36, 412,270.66 and 162,786.12

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Solution

The fourth proportional to 298,750.36, 412,270.66 and 162,786.12 is: 224,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,750.36 : 412,270.66 = 162,786.12 : x
  2. Step 2: Convert to fraction form
    298,750.36/412,270.66 = 162,786.12/x
  3. Step 3: Cross multiply
    298,750.36x = 412,270.66 × 162,786.12
  4. Step 4: Simplify right side
    298,750.36x = 67,111,941,131.24
  5. Step 5: Solve for x
    x = 67,111,941,131.24/298,750.36
  6. Step 6: Final answer
    x = 224,642.21

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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.