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Finding the Fourth Proportional to 328,500.60, 492,750.90 and 106,884.60

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Solution

The fourth proportional to 328,500.60, 492,750.90 and 106,884.60 is: 160,326.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,500.60 : 492,750.90 = 106,884.60 : x
  2. Step 2: Convert to fraction form
    328,500.60/492,750.90 = 106,884.60/x
  3. Step 3: Cross multiply
    328,500.60x = 492,750.90 × 106,884.60
  4. Step 4: Simplify right side
    328,500.60x = 52,667,482,846.14
  5. Step 5: Solve for x
    x = 52,667,482,846.14/328,500.60
  6. Step 6: Final answer
    x = 160,326.90

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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.