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Finding the Fourth Proportional to 301,113.96, 451,680.48 and 111,621.84

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Solution

The fourth proportional to 301,113.96, 451,680.48 and 111,621.84 is: 167,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,113.96 : 451,680.48 = 111,621.84 : x
  2. Step 2: Convert to fraction form
    301,113.96/451,680.48 = 111,621.84/x
  3. Step 3: Cross multiply
    301,113.96x = 451,680.48 × 111,621.84
  4. Step 4: Simplify right side
    301,113.96x = 50,417,406,269.68
  5. Step 5: Solve for x
    x = 50,417,406,269.68/301,113.96
  6. Step 6: Final answer
    x = 167,436.30

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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.