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Finding the Fourth Proportional to 605,136.72, 835,088.76 and 333,205.68

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Solution

The fourth proportional to 605,136.72, 835,088.76 and 333,205.68 is: 459,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,136.72 : 835,088.76 = 333,205.68 : x
  2. Step 2: Convert to fraction form
    605,136.72/835,088.76 = 333,205.68/x
  3. Step 3: Cross multiply
    605,136.72x = 835,088.76 × 333,205.68
  4. Step 4: Simplify right side
    605,136.72x = 278,256,318,136.16
  5. Step 5: Solve for x
    x = 278,256,318,136.16/605,136.72
  6. Step 6: Final answer
    x = 459,823.89

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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.