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Finding the Fourth Proportional to 540,805.87, 746,405.79 and 325,946.22

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Solution

The fourth proportional to 540,805.87, 746,405.79 and 325,946.22 is: 449,862.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,805.87 : 746,405.79 = 325,946.22 : x
  2. Step 2: Convert to fraction form
    540,805.87/746,405.79 = 325,946.22/x
  3. Step 3: Cross multiply
    540,805.87x = 746,405.79 × 325,946.22
  4. Step 4: Simplify right side
    540,805.87x = 243,288,140,474.85
  5. Step 5: Solve for x
    x = 243,288,140,474.85/540,805.87
  6. Step 6: Final answer
    x = 449,862.24

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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.