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Finding the Fourth Proportional to 670,377.07, 925,138.59 and 364,474.02

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Solution

The fourth proportional to 670,377.07, 925,138.59 and 364,474.02 is: 502,984.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,377.07 : 925,138.59 = 364,474.02 : x
  2. Step 2: Convert to fraction form
    670,377.07/925,138.59 = 364,474.02/x
  3. Step 3: Cross multiply
    670,377.07x = 925,138.59 × 364,474.02
  4. Step 4: Simplify right side
    670,377.07x = 337,188,980,954.43
  5. Step 5: Solve for x
    x = 337,188,980,954.43/670,377.07
  6. Step 6: Final answer
    x = 502,984.06

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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.