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Finding the Fourth Proportional to 439,594.58, 659,384.66 and 140,071.11

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Solution

The fourth proportional to 439,594.58, 659,384.66 and 140,071.11 is: 210,104.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,594.58 : 659,384.66 = 140,071.11 : x
  2. Step 2: Convert to fraction form
    439,594.58/659,384.66 = 140,071.11/x
  3. Step 3: Cross multiply
    439,594.58x = 659,384.66 × 140,071.11
  4. Step 4: Simplify right side
    439,594.58x = 92,360,739,120.66
  5. Step 5: Solve for x
    x = 92,360,739,120.66/439,594.58
  6. Step 6: Final answer
    x = 210,104.36

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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.