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Finding the Fourth Proportional to 301,005.99, 451,518.91 and 111,514.19

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Solution

The fourth proportional to 301,005.99, 451,518.91 and 111,514.19 is: 167,274.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,005.99 : 451,518.91 = 111,514.19 : x
  2. Step 2: Convert to fraction form
    301,005.99/451,518.91 = 111,514.19/x
  3. Step 3: Cross multiply
    301,005.99x = 451,518.91 × 111,514.19
  4. Step 4: Simplify right side
    301,005.99x = 50,350,762,981.95
  5. Step 5: Solve for x
    x = 50,350,762,981.95/301,005.99
  6. Step 6: Final answer
    x = 167,274.95

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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.