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Finding the Fourth Proportional to 300,010.52, 413,818.32 and 192,410.12

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Solution

The fourth proportional to 300,010.52, 413,818.32 and 192,410.12 is: 265,400.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,010.52 : 413,818.32 = 192,410.12 : x
  2. Step 2: Convert to fraction form
    300,010.52/413,818.32 = 192,410.12/x
  3. Step 3: Cross multiply
    300,010.52x = 413,818.32 × 192,410.12
  4. Step 4: Simplify right side
    300,010.52x = 79,622,832,609.40
  5. Step 5: Solve for x
    x = 79,622,832,609.40/300,010.52
  6. Step 6: Final answer
    x = 265,400.14

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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.