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Finding the Fourth Proportional to 541,991.05, 812,814.35 and 506,610.86

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Solution

The fourth proportional to 541,991.05, 812,814.35 and 506,610.86 is: 759,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,991.05 : 812,814.35 = 506,610.86 : x
  2. Step 2: Convert to fraction form
    541,991.05/812,814.35 = 506,610.86/x
  3. Step 3: Cross multiply
    541,991.05x = 812,814.35 × 506,610.86
  4. Step 4: Simplify right side
    541,991.05x = 411,780,570,276.72
  5. Step 5: Solve for x
    x = 411,780,570,276.72/541,991.05
  6. Step 6: Final answer
    x = 759,755.30

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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.