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Finding the Fourth Proportional to 541,993.16, 747,950.04 and 300,290.80

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Solution

The fourth proportional to 541,993.16, 747,950.04 and 300,290.80 is: 414,401.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,993.16 : 747,950.04 = 300,290.80 : x
  2. Step 2: Convert to fraction form
    541,993.16/747,950.04 = 300,290.80/x
  3. Step 3: Cross multiply
    541,993.16x = 747,950.04 × 300,290.80
  4. Step 4: Simplify right side
    541,993.16x = 224,602,515,871.63
  5. Step 5: Solve for x
    x = 224,602,515,871.63/541,993.16
  6. Step 6: Final answer
    x = 414,401.02

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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.