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Finding the Fourth Proportional to 435,495.88, 653,250.30 and 155,005.84

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Solution

The fourth proportional to 435,495.88, 653,250.30 and 155,005.84 is: 232,511.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,495.88 : 653,250.30 = 155,005.84 : x
  2. Step 2: Convert to fraction form
    435,495.88/653,250.30 = 155,005.84/x
  3. Step 3: Cross multiply
    435,495.88x = 653,250.30 × 155,005.84
  4. Step 4: Simplify right side
    435,495.88x = 101,257,611,481.75
  5. Step 5: Solve for x
    x = 101,257,611,481.75/435,495.88
  6. Step 6: Final answer
    x = 232,511.07

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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.