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Finding the Fourth Proportional to 298,977.20, 448,728.24 and 166,007.60

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Solution

The fourth proportional to 298,977.20, 448,728.24 and 166,007.60 is: 249,157.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,977.20 : 448,728.24 = 166,007.60 : x
  2. Step 2: Convert to fraction form
    298,977.20/448,728.24 = 166,007.60/x
  3. Step 3: Cross multiply
    298,977.20x = 448,728.24 × 166,007.60
  4. Step 4: Simplify right side
    298,977.20x = 74,492,298,174.62
  5. Step 5: Solve for x
    x = 74,492,298,174.62/298,977.20
  6. Step 6: Final answer
    x = 249,157.12

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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.