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Finding the Fourth Proportional to 354,999.31, 532,495.11 and 283,586.92

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Solution

The fourth proportional to 354,999.31, 532,495.11 and 283,586.92 is: 425,377.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,999.31 : 532,495.11 = 283,586.92 : x
  2. Step 2: Convert to fraction form
    354,999.31/532,495.11 = 283,586.92/x
  3. Step 3: Cross multiply
    354,999.31x = 532,495.11 × 283,586.92
  4. Step 4: Simplify right side
    354,999.31x = 151,008,650,200.17
  5. Step 5: Solve for x
    x = 151,008,650,200.17/354,999.31
  6. Step 6: Final answer
    x = 425,377.31

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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.