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Finding the Fourth Proportional to 307,329.90, 460,125.50 and 162,906.64

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Solution

The fourth proportional to 307,329.90, 460,125.50 and 162,906.64 is: 243,899.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,329.90 : 460,125.50 = 162,906.64 : x
  2. Step 2: Convert to fraction form
    307,329.90/460,125.50 = 162,906.64/x
  3. Step 3: Cross multiply
    307,329.90x = 460,125.50 × 162,906.64
  4. Step 4: Simplify right side
    307,329.90x = 74,957,499,183.32
  5. Step 5: Solve for x
    x = 74,957,499,183.32/307,329.90
  6. Step 6: Final answer
    x = 243,899.14

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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.