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Finding the Fourth Proportional to 433,540.60, 651,866.10 and 365,111.80

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Solution

The fourth proportional to 433,540.60, 651,866.10 and 365,111.80 is: 548,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,540.60 : 651,866.10 = 365,111.80 : x
  2. Step 2: Convert to fraction form
    433,540.60/651,866.10 = 365,111.80/x
  3. Step 3: Cross multiply
    433,540.60x = 651,866.10 × 365,111.80
  4. Step 4: Simplify right side
    433,540.60x = 238,004,005,129.98
  5. Step 5: Solve for x
    x = 238,004,005,129.98/433,540.60
  6. Step 6: Final answer
    x = 548,977.43

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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.