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Finding the Fourth Proportional to 298,848.66, 412,399.05 and 162,879.66

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Solution

The fourth proportional to 298,848.66, 412,399.05 and 162,879.66 is: 224,767.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,848.66 : 412,399.05 = 162,879.66 : x
  2. Step 2: Convert to fraction form
    298,848.66/412,399.05 = 162,879.66/x
  3. Step 3: Cross multiply
    298,848.66x = 412,399.05 × 162,879.66
  4. Step 4: Simplify right side
    298,848.66x = 67,171,417,048.32
  5. Step 5: Solve for x
    x = 67,171,417,048.32/298,848.66
  6. Step 6: Final answer
    x = 224,767.34

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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.