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Finding the Fourth Proportional to 459,576.68, 689,383.56 and 160,087.55

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Solution

The fourth proportional to 459,576.68, 689,383.56 and 160,087.55 is: 240,137.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,576.68 : 689,383.56 = 160,087.55 : x
  2. Step 2: Convert to fraction form
    459,576.68/689,383.56 = 160,087.55/x
  3. Step 3: Cross multiply
    459,576.68x = 689,383.56 × 160,087.55
  4. Step 4: Simplify right side
    459,576.68x = 110,361,725,130.68
  5. Step 5: Solve for x
    x = 110,361,725,130.68/459,576.68
  6. Step 6: Final answer
    x = 240,137.78

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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.