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Finding the Fourth Proportional to 545,704.52, 753,094.92 and 303,987.02

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Solution

The fourth proportional to 545,704.52, 753,094.92 and 303,987.02 is: 419,514.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,704.52 : 753,094.92 = 303,987.02 : x
  2. Step 2: Convert to fraction form
    545,704.52/753,094.92 = 303,987.02/x
  3. Step 3: Cross multiply
    545,704.52x = 753,094.92 × 303,987.02
  4. Step 4: Simplify right side
    545,704.52x = 228,931,082,390.68
  5. Step 5: Solve for x
    x = 228,931,082,390.68/545,704.52
  6. Step 6: Final answer
    x = 419,514.73

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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.