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Finding the Fourth Proportional to 670,408, 925,180.56 and 364,504.96

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Solution

The fourth proportional to 670,408, 925,180.56 and 364,504.96 is: 503,026.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,408 : 925,180.56 = 364,504.96 : x
  2. Step 2: Convert to fraction form
    670,408/925,180.56 = 364,504.96/x
  3. Step 3: Cross multiply
    670,408x = 925,180.56 × 364,504.96
  4. Step 4: Simplify right side
    670,408x = 337,232,903,015.58
  5. Step 5: Solve for x
    x = 337,232,903,015.58/670,408
  6. Step 6: Final answer
    x = 503,026.37

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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.