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Finding the Fourth Proportional to 450,434.06, 675,756.22 and 130,592.60

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Solution

The fourth proportional to 450,434.06, 675,756.22 and 130,592.60 is: 195,919.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,434.06 : 675,756.22 = 130,592.60 : x
  2. Step 2: Convert to fraction form
    450,434.06/675,756.22 = 130,592.60/x
  3. Step 3: Cross multiply
    450,434.06x = 675,756.22 × 130,592.60
  4. Step 4: Simplify right side
    450,434.06x = 88,248,761,735.97
  5. Step 5: Solve for x
    x = 88,248,761,735.97/450,434.06
  6. Step 6: Final answer
    x = 195,919.38

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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.