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Finding the Fourth Proportional to 446,247, 615,758.90 and 262,493.91

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Solution

The fourth proportional to 446,247, 615,758.90 and 262,493.91 is: 362,205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,247 : 615,758.90 = 262,493.91 : x
  2. Step 2: Convert to fraction form
    446,247/615,758.90 = 262,493.91/x
  3. Step 3: Cross multiply
    446,247x = 615,758.90 × 262,493.91
  4. Step 4: Simplify right side
    446,247x = 161,632,959,965.83
  5. Step 5: Solve for x
    x = 161,632,959,965.83/446,247
  6. Step 6: Final answer
    x = 362,205.15

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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.