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Finding the Fourth Proportional to 535,255.72, 803,018.58 and 377,791.72

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Solution

The fourth proportional to 535,255.72, 803,018.58 and 377,791.72 is: 566,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,255.72 : 803,018.58 = 377,791.72 : x
  2. Step 2: Convert to fraction form
    535,255.72/803,018.58 = 377,791.72/x
  3. Step 3: Cross multiply
    535,255.72x = 803,018.58 × 377,791.72
  4. Step 4: Simplify right side
    535,255.72x = 303,373,770,530.16
  5. Step 5: Solve for x
    x = 303,373,770,530.16/535,255.72
  6. Step 6: Final answer
    x = 566,782.87

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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.