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Finding the Fourth Proportional to 702,164.41, 968,984.37 and 379,874.59

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Solution

The fourth proportional to 702,164.41, 968,984.37 and 379,874.59 is: 524,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,164.41 : 968,984.37 = 379,874.59 : x
  2. Step 2: Convert to fraction form
    702,164.41/968,984.37 = 379,874.59/x
  3. Step 3: Cross multiply
    702,164.41x = 968,984.37 × 379,874.59
  4. Step 4: Simplify right side
    702,164.41x = 368,092,537,847.70
  5. Step 5: Solve for x
    x = 368,092,537,847.70/702,164.41
  6. Step 6: Final answer
    x = 524,225.57

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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.