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Finding the Fourth Proportional to 297,900.03, 411,110.03 and 161,943.10

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Solution

The fourth proportional to 297,900.03, 411,110.03 and 161,943.10 is: 223,485.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,900.03 : 411,110.03 = 161,943.10 : x
  2. Step 2: Convert to fraction form
    297,900.03/411,110.03 = 161,943.10/x
  3. Step 3: Cross multiply
    297,900.03x = 411,110.03 × 161,943.10
  4. Step 4: Simplify right side
    297,900.03x = 66,576,432,076.38
  5. Step 5: Solve for x
    x = 66,576,432,076.38/297,900.03
  6. Step 6: Final answer
    x = 223,485.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.