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Finding the Fourth Proportional to 220,482.95, 330,728.27 and 62,715.60

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Solution

The fourth proportional to 220,482.95, 330,728.27 and 62,715.60 is: 94,074.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,482.95 : 330,728.27 = 62,715.60 : x
  2. Step 2: Convert to fraction form
    220,482.95/330,728.27 = 62,715.60/x
  3. Step 3: Cross multiply
    220,482.95x = 330,728.27 × 62,715.60
  4. Step 4: Simplify right side
    220,482.95x = 20,741,821,576.43
  5. Step 5: Solve for x
    x = 20,741,821,576.43/220,482.95
  6. Step 6: Final answer
    x = 94,074.49

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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.