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Finding the Fourth Proportional to 607,006.60, 910,874.40 and 251,983.60

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Solution

The fourth proportional to 607,006.60, 910,874.40 and 251,983.60 is: 378,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,006.60 : 910,874.40 = 251,983.60 : x
  2. Step 2: Convert to fraction form
    607,006.60/910,874.40 = 251,983.60/x
  3. Step 3: Cross multiply
    607,006.60x = 910,874.40 × 251,983.60
  4. Step 4: Simplify right side
    607,006.60x = 229,525,410,459.84
  5. Step 5: Solve for x
    x = 229,525,410,459.84/607,006.60
  6. Step 6: Final answer
    x = 378,126.71

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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.