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Finding the Fourth Proportional to 530,926.86, 794,518.65 and 331,340.70

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Solution

The fourth proportional to 530,926.86, 794,518.65 and 331,340.70 is: 495,843.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,926.86 : 794,518.65 = 331,340.70 : x
  2. Step 2: Convert to fraction form
    530,926.86/794,518.65 = 331,340.70/x
  3. Step 3: Cross multiply
    530,926.86x = 794,518.65 × 331,340.70
  4. Step 4: Simplify right side
    530,926.86x = 263,256,365,654.06
  5. Step 5: Solve for x
    x = 263,256,365,654.06/530,926.86
  6. Step 6: Final answer
    x = 495,843.00

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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.