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Finding the Fourth Proportional to 447,292.02, 670,449.98 and 219,744.24

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Solution

The fourth proportional to 447,292.02, 670,449.98 and 219,744.24 is: 329,376.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,292.02 : 670,449.98 = 219,744.24 : x
  2. Step 2: Convert to fraction form
    447,292.02/670,449.98 = 219,744.24/x
  3. Step 3: Cross multiply
    447,292.02x = 670,449.98 × 219,744.24
  4. Step 4: Simplify right side
    447,292.02x = 147,327,521,313.12
  5. Step 5: Solve for x
    x = 147,327,521,313.12/447,292.02
  6. Step 6: Final answer
    x = 329,376.59

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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.