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Finding the Fourth Proportional to 670,375.76, 925,136.78 and 364,472.71

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Solution

The fourth proportional to 670,375.76, 925,136.78 and 364,472.71 is: 502,982.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,375.76 : 925,136.78 = 364,472.71 : x
  2. Step 2: Convert to fraction form
    670,375.76/925,136.78 = 364,472.71/x
  3. Step 3: Cross multiply
    670,375.76x = 925,136.78 × 364,472.71
  4. Step 4: Simplify right side
    670,375.76x = 337,187,105,192.07
  5. Step 5: Solve for x
    x = 337,187,105,192.07/670,375.76
  6. Step 6: Final answer
    x = 502,982.25

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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.