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Finding the Fourth Proportional to 529,970.55, 794,508.85 and 230,227.31

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Solution

The fourth proportional to 529,970.55, 794,508.85 and 230,227.31 is: 345,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,970.55 : 794,508.85 = 230,227.31 : x
  2. Step 2: Convert to fraction form
    529,970.55/794,508.85 = 230,227.31/x
  3. Step 3: Cross multiply
    529,970.55x = 794,508.85 × 230,227.31
  4. Step 4: Simplify right side
    529,970.55x = 182,917,637,580.75
  5. Step 5: Solve for x
    x = 182,917,637,580.75/529,970.55
  6. Step 6: Final answer
    x = 345,146.80

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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.