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Finding the Fourth Proportional to 670,851.32, 925,764.90 and 364,920.44

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Solution

The fourth proportional to 670,851.32, 925,764.90 and 364,920.44 is: 503,584.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,851.32 : 925,764.90 = 364,920.44 : x
  2. Step 2: Convert to fraction form
    670,851.32/925,764.90 = 364,920.44/x
  3. Step 3: Cross multiply
    670,851.32x = 925,764.90 × 364,920.44
  4. Step 4: Simplify right side
    670,851.32x = 337,830,534,644.56
  5. Step 5: Solve for x
    x = 337,830,534,644.56/670,851.32
  6. Step 6: Final answer
    x = 503,584.81

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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.