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Finding the Fourth Proportional to 446,672.95, 669,865.45 and 147,082.20

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Solution

The fourth proportional to 446,672.95, 669,865.45 and 147,082.20 is: 220,575.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,672.95 : 669,865.45 = 147,082.20 : x
  2. Step 2: Convert to fraction form
    446,672.95/669,865.45 = 147,082.20/x
  3. Step 3: Cross multiply
    446,672.95x = 669,865.45 × 147,082.20
  4. Step 4: Simplify right side
    446,672.95x = 98,525,284,089.99
  5. Step 5: Solve for x
    x = 98,525,284,089.99/446,672.95
  6. Step 6: Final answer
    x = 220,575.89

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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.