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Finding the Fourth Proportional to 541,465.35, 746,987.63 and 326,485.98

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Solution

The fourth proportional to 541,465.35, 746,987.63 and 326,485.98 is: 450,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,465.35 : 746,987.63 = 326,485.98 : x
  2. Step 2: Convert to fraction form
    541,465.35/746,987.63 = 326,485.98/x
  3. Step 3: Cross multiply
    541,465.35x = 746,987.63 × 326,485.98
  4. Step 4: Simplify right side
    541,465.35x = 243,880,991,735.17
  5. Step 5: Solve for x
    x = 243,880,991,735.17/541,465.35
  6. Step 6: Final answer
    x = 450,409.23

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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.