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Finding the Fourth Proportional to 602,600.62, 831,978.41 and 373,401.13

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Solution

The fourth proportional to 602,600.62, 831,978.41 and 373,401.13 is: 515,534.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,600.62 : 831,978.41 = 373,401.13 : x
  2. Step 2: Convert to fraction form
    602,600.62/831,978.41 = 373,401.13/x
  3. Step 3: Cross multiply
    602,600.62x = 831,978.41 × 373,401.13
  4. Step 4: Simplify right side
    602,600.62x = 310,661,678,429.60
  5. Step 5: Solve for x
    x = 310,661,678,429.60/602,600.62
  6. Step 6: Final answer
    x = 515,534.95

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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.