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Finding the Fourth Proportional to 365,558.59, 548,381.63 and 128,852.29

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Solution

The fourth proportional to 365,558.59, 548,381.63 and 128,852.29 is: 193,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,558.59 : 548,381.63 = 128,852.29 : x
  2. Step 2: Convert to fraction form
    365,558.59/548,381.63 = 128,852.29/x
  3. Step 3: Cross multiply
    365,558.59x = 548,381.63 × 128,852.29
  4. Step 4: Simplify right side
    365,558.59x = 70,660,228,819.43
  5. Step 5: Solve for x
    x = 70,660,228,819.43/365,558.59
  6. Step 6: Final answer
    x = 193,293.85

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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.