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Finding the Fourth Proportional to 607,007.70, 910,620.90 and 252,057.60

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Solution

The fourth proportional to 607,007.70, 910,620.90 and 252,057.60 is: 378,131.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,007.70 : 910,620.90 = 252,057.60 : x
  2. Step 2: Convert to fraction form
    607,007.70/910,620.90 = 252,057.60/x
  3. Step 3: Cross multiply
    607,007.70x = 910,620.90 × 252,057.60
  4. Step 4: Simplify right side
    607,007.70x = 229,528,918,563.84
  5. Step 5: Solve for x
    x = 229,528,918,563.84/607,007.70
  6. Step 6: Final answer
    x = 378,131.81

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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.