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Finding the Fourth Proportional to 397,336.46, 548,324.98 and 216,048.24

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Solution

The fourth proportional to 397,336.46, 548,324.98 and 216,048.24 is: 298,146.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,336.46 : 548,324.98 = 216,048.24 : x
  2. Step 2: Convert to fraction form
    397,336.46/548,324.98 = 216,048.24/x
  3. Step 3: Cross multiply
    397,336.46x = 548,324.98 × 216,048.24
  4. Step 4: Simplify right side
    397,336.46x = 118,464,646,877.04
  5. Step 5: Solve for x
    x = 118,464,646,877.04/397,336.46
  6. Step 6: Final answer
    x = 298,146.93

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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.