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Finding the Fourth Proportional to 670,396.06, 925,164.80 and 364,493.02

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Solution

The fourth proportional to 670,396.06, 925,164.80 and 364,493.02 is: 503,010.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,396.06 : 925,164.80 = 364,493.02 : x
  2. Step 2: Convert to fraction form
    670,396.06/925,164.80 = 364,493.02/x
  3. Step 3: Cross multiply
    670,396.06x = 925,164.80 × 364,493.02
  4. Step 4: Simplify right side
    670,396.06x = 337,216,111,949.70
  5. Step 5: Solve for x
    x = 337,216,111,949.70/670,396.06
  6. Step 6: Final answer
    x = 503,010.28

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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.