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Finding the Fourth Proportional to 607,538.70, 910,579.05 and 252,369.90

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Solution

The fourth proportional to 607,538.70, 910,579.05 and 252,369.90 is: 378,252.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,538.70 : 910,579.05 = 252,369.90 : x
  2. Step 2: Convert to fraction form
    607,538.70/910,579.05 = 252,369.90/x
  3. Step 3: Cross multiply
    607,538.70x = 910,579.05 × 252,369.90
  4. Step 4: Simplify right side
    607,538.70x = 229,802,743,790.60
  5. Step 5: Solve for x
    x = 229,802,743,790.60/607,538.70
  6. Step 6: Final answer
    x = 378,252.03

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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.