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Finding the Fourth Proportional to 431,542.27, 595,783.52 and 383,663.15

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Solution

The fourth proportional to 431,542.27, 595,783.52 and 383,663.15 is: 529,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,542.27 : 595,783.52 = 383,663.15 : x
  2. Step 2: Convert to fraction form
    431,542.27/595,783.52 = 383,663.15/x
  3. Step 3: Cross multiply
    431,542.27x = 595,783.52 × 383,663.15
  4. Step 4: Simplify right side
    431,542.27x = 228,580,179,697.93
  5. Step 5: Solve for x
    x = 228,580,179,697.93/431,542.27
  6. Step 6: Final answer
    x = 529,682.01

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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.