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Finding the Fourth Proportional to 303,920.44, 455,473.16 and 236,533.85

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Solution

The fourth proportional to 303,920.44, 455,473.16 and 236,533.85 is: 354,483.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,920.44 : 455,473.16 = 236,533.85 : x
  2. Step 2: Convert to fraction form
    303,920.44/455,473.16 = 236,533.85/x
  3. Step 3: Cross multiply
    303,920.44x = 455,473.16 × 236,533.85
  4. Step 4: Simplify right side
    303,920.44x = 107,734,818,958.32
  5. Step 5: Solve for x
    x = 107,734,818,958.32/303,920.44
  6. Step 6: Final answer
    x = 354,483.62

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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.