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Finding the Fourth Proportional to 633,069.74, 873,495.29 and 374,817.85

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Solution

The fourth proportional to 633,069.74, 873,495.29 and 374,817.85 is: 517,165.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,069.74 : 873,495.29 = 374,817.85 : x
  2. Step 2: Convert to fraction form
    633,069.74/873,495.29 = 374,817.85/x
  3. Step 3: Cross multiply
    633,069.74x = 873,495.29 × 374,817.85
  4. Step 4: Simplify right side
    633,069.74x = 327,401,625,336.23
  5. Step 5: Solve for x
    x = 327,401,625,336.23/633,069.74
  6. Step 6: Final answer
    x = 517,165.18

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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.