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Finding the Fourth Proportional to 351,306.80, 526,958.04 and 114,649.64

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Solution

The fourth proportional to 351,306.80, 526,958.04 and 114,649.64 is: 171,973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,306.80 : 526,958.04 = 114,649.64 : x
  2. Step 2: Convert to fraction form
    351,306.80/526,958.04 = 114,649.64/x
  3. Step 3: Cross multiply
    351,306.80x = 526,958.04 × 114,649.64
  4. Step 4: Simplify right side
    351,306.80x = 60,415,549,581.11
  5. Step 5: Solve for x
    x = 60,415,549,581.11/351,306.80
  6. Step 6: Final answer
    x = 171,973.76

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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.