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Finding the Fourth Proportional to 301,699.92, 451,860.84 and 144,039.60

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Solution

The fourth proportional to 301,699.92, 451,860.84 and 144,039.60 is: 215,730.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,699.92 : 451,860.84 = 144,039.60 : x
  2. Step 2: Convert to fraction form
    301,699.92/451,860.84 = 144,039.60/x
  3. Step 3: Cross multiply
    301,699.92x = 451,860.84 × 144,039.60
  4. Step 4: Simplify right side
    301,699.92x = 65,085,854,649.26
  5. Step 5: Solve for x
    x = 65,085,854,649.26/301,699.92
  6. Step 6: Final answer
    x = 215,730.43

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1.5x scale

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.