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Finding the Fourth Proportional to 637,064.33, 879,148.91 and 350,584.42

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Solution

The fourth proportional to 637,064.33, 879,148.91 and 350,584.42 is: 483,806.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,064.33 : 879,148.91 = 350,584.42 : x
  2. Step 2: Convert to fraction form
    637,064.33/879,148.91 = 350,584.42/x
  3. Step 3: Cross multiply
    637,064.33x = 879,148.91 × 350,584.42
  4. Step 4: Simplify right side
    637,064.33x = 308,215,906,755.19
  5. Step 5: Solve for x
    x = 308,215,906,755.19/637,064.33
  6. Step 6: Final answer
    x = 483,806.57

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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.