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Finding the Fourth Proportional to 301,076.70, 451,615.05 and 301,076.70

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Solution

The fourth proportional to 301,076.70, 451,615.05 and 301,076.70 is: 451,615.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,076.70 : 451,615.05 = 301,076.70 : x
  2. Step 2: Convert to fraction form
    301,076.70/451,615.05 = 301,076.70/x
  3. Step 3: Cross multiply
    301,076.70x = 451,615.05 × 301,076.70
  4. Step 4: Simplify right side
    301,076.70x = 135,970,768,924.34
  5. Step 5: Solve for x
    x = 135,970,768,924.34/301,076.70
  6. Step 6: Final answer
    x = 451,615.05

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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.