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Finding the Fourth Proportional to 435,503.50, 653,296.47 and 169,284.58

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Solution

The fourth proportional to 435,503.50, 653,296.47 and 169,284.58 is: 253,942.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,503.50 : 653,296.47 = 169,284.58 : x
  2. Step 2: Convert to fraction form
    435,503.50/653,296.47 = 169,284.58/x
  3. Step 3: Cross multiply
    435,503.50x = 653,296.47 × 169,284.58
  4. Step 4: Simplify right side
    435,503.50x = 110,593,018,539.43
  5. Step 5: Solve for x
    x = 110,593,018,539.43/435,503.50
  6. Step 6: Final answer
    x = 253,942.89

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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.