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Finding the Fourth Proportional to 301,205.20, 451,807.80 and 165,902.80

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Solution

The fourth proportional to 301,205.20, 451,807.80 and 165,902.80 is: 248,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,205.20 : 451,807.80 = 165,902.80 : x
  2. Step 2: Convert to fraction form
    301,205.20/451,807.80 = 165,902.80/x
  3. Step 3: Cross multiply
    301,205.20x = 451,807.80 × 165,902.80
  4. Step 4: Simplify right side
    301,205.20x = 74,956,179,081.84
  5. Step 5: Solve for x
    x = 74,956,179,081.84/301,205.20
  6. Step 6: Final answer
    x = 248,854.20

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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.