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Finding the Fourth Proportional to 301,335.03, 451,991.61 and 90,967.50

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Solution

The fourth proportional to 301,335.03, 451,991.61 and 90,967.50 is: 136,447.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,335.03 : 451,991.61 = 90,967.50 : x
  2. Step 2: Convert to fraction form
    301,335.03/451,991.61 = 90,967.50/x
  3. Step 3: Cross multiply
    301,335.03x = 451,991.61 × 90,967.50
  4. Step 4: Simplify right side
    301,335.03x = 41,116,546,782.68
  5. Step 5: Solve for x
    x = 41,116,546,782.68/301,335.03
  6. Step 6: Final answer
    x = 136,447.95

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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.