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Finding the Fourth Proportional to 298,600.63, 412,068.87 and 164,464.63

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Solution

The fourth proportional to 298,600.63, 412,068.87 and 164,464.63 is: 226,961.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,600.63 : 412,068.87 = 164,464.63 : x
  2. Step 2: Convert to fraction form
    298,600.63/412,068.87 = 164,464.63/x
  3. Step 3: Cross multiply
    298,600.63x = 412,068.87 × 164,464.63
  4. Step 4: Simplify right side
    298,600.63x = 67,770,754,239.07
  5. Step 5: Solve for x
    x = 67,770,754,239.07/298,600.63
  6. Step 6: Final answer
    x = 226,961.19

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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.