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Finding the Fourth Proportional to 374,589.44, 561,799.88 and 108,290.64

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Solution

The fourth proportional to 374,589.44, 561,799.88 and 108,290.64 is: 162,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,589.44 : 561,799.88 = 108,290.64 : x
  2. Step 2: Convert to fraction form
    374,589.44/561,799.88 = 108,290.64/x
  3. Step 3: Cross multiply
    374,589.44x = 561,799.88 × 108,290.64
  4. Step 4: Simplify right side
    374,589.44x = 60,837,668,557.12
  5. Step 5: Solve for x
    x = 60,837,668,557.12/374,589.44
  6. Step 6: Final answer
    x = 162,411.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.