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Finding the Fourth Proportional to 302,615.70, 453,923.55 and 203,082.90

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Solution

The fourth proportional to 302,615.70, 453,923.55 and 203,082.90 is: 304,624.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,615.70 : 453,923.55 = 203,082.90 : x
  2. Step 2: Convert to fraction form
    302,615.70/453,923.55 = 203,082.90/x
  3. Step 3: Cross multiply
    302,615.70x = 453,923.55 × 203,082.90
  4. Step 4: Simplify right side
    302,615.70x = 92,184,110,912.30
  5. Step 5: Solve for x
    x = 92,184,110,912.30/302,615.70
  6. Step 6: Final answer
    x = 304,624.35

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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.