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Finding the Fourth Proportional to 843,861.94, 1,164,540.42 and 461,880.52

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Solution

The fourth proportional to 843,861.94, 1,164,540.42 and 461,880.52 is: 637,401.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,861.94 : 1,164,540.42 = 461,880.52 : x
  2. Step 2: Convert to fraction form
    843,861.94/1,164,540.42 = 461,880.52/x
  3. Step 3: Cross multiply
    843,861.94x = 1,164,540.42 × 461,880.52
  4. Step 4: Simplify right side
    843,861.94x = 537,878,534,750.62
  5. Step 5: Solve for x
    x = 537,878,534,750.62/843,861.94
  6. Step 6: Final answer
    x = 637,401.11

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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.