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Finding the Fourth Proportional to 301,070.44, 451,635.90 and 79,454.44

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Solution

The fourth proportional to 301,070.44, 451,635.90 and 79,454.44 is: 119,189.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,070.44 : 451,635.90 = 79,454.44 : x
  2. Step 2: Convert to fraction form
    301,070.44/451,635.90 = 79,454.44/x
  3. Step 3: Cross multiply
    301,070.44x = 451,635.90 × 79,454.44
  4. Step 4: Simplify right side
    301,070.44x = 35,884,477,518.40
  5. Step 5: Solve for x
    x = 35,884,477,518.40/301,070.44
  6. Step 6: Final answer
    x = 119,189.64

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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.