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Finding the Fourth Proportional to 220,404.87, 330,482.88 and 201,596.67

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Solution

The fourth proportional to 220,404.87, 330,482.88 and 201,596.67 is: 302,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,404.87 : 330,482.88 = 201,596.67 : x
  2. Step 2: Convert to fraction form
    220,404.87/330,482.88 = 201,596.67/x
  3. Step 3: Cross multiply
    220,404.87x = 330,482.88 × 201,596.67
  4. Step 4: Simplify right side
    220,404.87x = 66,624,248,100.01
  5. Step 5: Solve for x
    x = 66,624,248,100.01/220,404.87
  6. Step 6: Final answer
    x = 302,281.20

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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.