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Finding the Fourth Proportional to 445,062.34, 614,186.67 and 263,863

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Solution

The fourth proportional to 445,062.34, 614,186.67 and 263,863 is: 364,131.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,062.34 : 614,186.67 = 263,863 : x
  2. Step 2: Convert to fraction form
    445,062.34/614,186.67 = 263,863/x
  3. Step 3: Cross multiply
    445,062.34x = 614,186.67 × 263,863
  4. Step 4: Simplify right side
    445,062.34x = 162,061,137,306.21
  5. Step 5: Solve for x
    x = 162,061,137,306.21/445,062.34
  6. Step 6: Final answer
    x = 364,131.32

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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.