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Finding the Fourth Proportional to 653,136.46, 901,266.69 and 366,600.58

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Solution

The fourth proportional to 653,136.46, 901,266.69 and 366,600.58 is: 505,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,136.46 : 901,266.69 = 366,600.58 : x
  2. Step 2: Convert to fraction form
    653,136.46/901,266.69 = 366,600.58/x
  3. Step 3: Cross multiply
    653,136.46x = 901,266.69 × 366,600.58
  4. Step 4: Simplify right side
    653,136.46x = 330,404,891,288.68
  5. Step 5: Solve for x
    x = 330,404,891,288.68/653,136.46
  6. Step 6: Final answer
    x = 505,874.21

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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.