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Finding the Fourth Proportional to 351,635.80, 527,490.42 and 102,317.80

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Solution

The fourth proportional to 351,635.80, 527,490.42 and 102,317.80 is: 153,487.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,635.80 : 527,490.42 = 102,317.80 : x
  2. Step 2: Convert to fraction form
    351,635.80/527,490.42 = 102,317.80/x
  3. Step 3: Cross multiply
    351,635.80x = 527,490.42 × 102,317.80
  4. Step 4: Simplify right side
    351,635.80x = 53,971,659,295.48
  5. Step 5: Solve for x
    x = 53,971,659,295.48/351,635.80
  6. Step 6: Final answer
    x = 153,487.38

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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.