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Finding the Fourth Proportional to 329,072.40, 493,280.55 and 151,269.30

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Solution

The fourth proportional to 329,072.40, 493,280.55 and 151,269.30 is: 226,753.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,072.40 : 493,280.55 = 151,269.30 : x
  2. Step 2: Convert to fraction form
    329,072.40/493,280.55 = 151,269.30/x
  3. Step 3: Cross multiply
    329,072.40x = 493,280.55 × 151,269.30
  4. Step 4: Simplify right side
    329,072.40x = 74,618,203,502.12
  5. Step 5: Solve for x
    x = 74,618,203,502.12/329,072.40
  6. Step 6: Final answer
    x = 226,753.15

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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.