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Finding the Fourth Proportional to 655,896.46, 905,184.14 and 365,527.56

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Solution

The fourth proportional to 655,896.46, 905,184.14 and 365,527.56 is: 504,454.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,896.46 : 905,184.14 = 365,527.56 : x
  2. Step 2: Convert to fraction form
    655,896.46/905,184.14 = 365,527.56/x
  3. Step 3: Cross multiply
    655,896.46x = 905,184.14 × 365,527.56
  4. Step 4: Simplify right side
    655,896.46x = 330,869,750,044.90
  5. Step 5: Solve for x
    x = 330,869,750,044.90/655,896.46
  6. Step 6: Final answer
    x = 504,454.24

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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.