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Finding the Fourth Proportional to 416,048.58, 573,964.61 and 243,879.21

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Solution

The fourth proportional to 416,048.58, 573,964.61 and 243,879.21 is: 336,446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,048.58 : 573,964.61 = 243,879.21 : x
  2. Step 2: Convert to fraction form
    416,048.58/573,964.61 = 243,879.21/x
  3. Step 3: Cross multiply
    416,048.58x = 573,964.61 × 243,879.21
  4. Step 4: Simplify right side
    416,048.58x = 139,978,034,435.36
  5. Step 5: Solve for x
    x = 139,978,034,435.36/416,048.58
  6. Step 6: Final answer
    x = 336,446.37

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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.