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Finding the Fourth Proportional to 670,744.48, 925,600.56 and 364,821.07

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Solution

The fourth proportional to 670,744.48, 925,600.56 and 364,821.07 is: 503,438.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,744.48 : 925,600.56 = 364,821.07 : x
  2. Step 2: Convert to fraction form
    670,744.48/925,600.56 = 364,821.07/x
  3. Step 3: Cross multiply
    670,744.48x = 925,600.56 × 364,821.07
  4. Step 4: Simplify right side
    670,744.48x = 337,678,586,691.80
  5. Step 5: Solve for x
    x = 337,678,586,691.80/670,744.48
  6. Step 6: Final answer
    x = 503,438.49

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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.