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Finding the Fourth Proportional to 443,698.62, 612,429.44 and 262,473.48

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Solution

The fourth proportional to 443,698.62, 612,429.44 and 262,473.48 is: 362,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,698.62 : 612,429.44 = 262,473.48 : x
  2. Step 2: Convert to fraction form
    443,698.62/612,429.44 = 262,473.48/x
  3. Step 3: Cross multiply
    443,698.62x = 612,429.44 × 262,473.48
  4. Step 4: Simplify right side
    443,698.62x = 160,746,485,058.88
  5. Step 5: Solve for x
    x = 160,746,485,058.88/443,698.62
  6. Step 6: Final answer
    x = 362,287.55

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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.