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Finding the Fourth Proportional to 351,448.60, 527,043.30 and 173,896.60

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Solution

The fourth proportional to 351,448.60, 527,043.30 and 173,896.60 is: 260,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,448.60 : 527,043.30 = 173,896.60 : x
  2. Step 2: Convert to fraction form
    351,448.60/527,043.30 = 173,896.60/x
  3. Step 3: Cross multiply
    351,448.60x = 527,043.30 × 173,896.60
  4. Step 4: Simplify right side
    351,448.60x = 91,651,037,922.78
  5. Step 5: Solve for x
    x = 91,651,037,922.78/351,448.60
  6. Step 6: Final answer
    x = 260,780.77

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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.