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Finding the Fourth Proportional to 541,390.60, 812,085.90 and 494,151.40

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Solution

The fourth proportional to 541,390.60, 812,085.90 and 494,151.40 is: 741,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,390.60 : 812,085.90 = 494,151.40 : x
  2. Step 2: Convert to fraction form
    541,390.60/812,085.90 = 494,151.40/x
  3. Step 3: Cross multiply
    541,390.60x = 812,085.90 × 494,151.40
  4. Step 4: Simplify right side
    541,390.60x = 401,293,384,405.26
  5. Step 5: Solve for x
    x = 401,293,384,405.26/541,390.60
  6. Step 6: Final answer
    x = 741,227.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.