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Finding the Fourth Proportional to 535,203.72, 802,939.50 and 377,739.72

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Solution

The fourth proportional to 535,203.72, 802,939.50 and 377,739.72 is: 566,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,203.72 : 802,939.50 = 377,739.72 : x
  2. Step 2: Convert to fraction form
    535,203.72/802,939.50 = 377,739.72/x
  3. Step 3: Cross multiply
    535,203.72x = 802,939.50 × 377,739.72
  4. Step 4: Simplify right side
    535,203.72x = 303,302,141,906.94
  5. Step 5: Solve for x
    x = 303,302,141,906.94/535,203.72
  6. Step 6: Final answer
    x = 566,704.10

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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.