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Finding the Fourth Proportional to 439,671.60, 659,611.38 and 350,053.20

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Solution

The fourth proportional to 439,671.60, 659,611.38 and 350,053.20 is: 525,162.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,671.60 : 659,611.38 = 350,053.20 : x
  2. Step 2: Convert to fraction form
    439,671.60/659,611.38 = 350,053.20/x
  3. Step 3: Cross multiply
    439,671.60x = 659,611.38 × 350,053.20
  4. Step 4: Simplify right side
    439,671.60x = 230,899,074,325.42
  5. Step 5: Solve for x
    x = 230,899,074,325.42/439,671.60
  6. Step 6: Final answer
    x = 525,162.59

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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.