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Finding the Fourth Proportional to 351,539.98, 527,309.11 and 85,300.27

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Solution

The fourth proportional to 351,539.98, 527,309.11 and 85,300.27 is: 127,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,539.98 : 527,309.11 = 85,300.27 : x
  2. Step 2: Convert to fraction form
    351,539.98/527,309.11 = 85,300.27/x
  3. Step 3: Cross multiply
    351,539.98x = 527,309.11 × 85,300.27
  4. Step 4: Simplify right side
    351,539.98x = 44,979,609,456.46
  5. Step 5: Solve for x
    x = 44,979,609,456.46/351,539.98
  6. Step 6: Final answer
    x = 127,950.20

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1.5x scale

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.