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Finding the Fourth Proportional to 435,498.45, 653,247.38 and 136,004.70

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Solution

The fourth proportional to 435,498.45, 653,247.38 and 136,004.70 is: 204,006.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,498.45 : 653,247.38 = 136,004.70 : x
  2. Step 2: Convert to fraction form
    435,498.45/653,247.38 = 136,004.70/x
  3. Step 3: Cross multiply
    435,498.45x = 653,247.38 × 136,004.70
  4. Step 4: Simplify right side
    435,498.45x = 88,844,713,602.67
  5. Step 5: Solve for x
    x = 88,844,713,602.67/435,498.45
  6. Step 6: Final answer
    x = 204,006.96

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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.