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Finding the Fourth Proportional to 230,548.80, 346,082.40 and 178,190.40

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Solution

The fourth proportional to 230,548.80, 346,082.40 and 178,190.40 is: 267,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,548.80 : 346,082.40 = 178,190.40 : x
  2. Step 2: Convert to fraction form
    230,548.80/346,082.40 = 178,190.40/x
  3. Step 3: Cross multiply
    230,548.80x = 346,082.40 × 178,190.40
  4. Step 4: Simplify right side
    230,548.80x = 61,668,561,288.96
  5. Step 5: Solve for x
    x = 61,668,561,288.96/230,548.80
  6. Step 6: Final answer
    x = 267,485.93

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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.