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Finding the Fourth Proportional to 507,579.75, 761,416.61 and 166,025.12

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Solution

The fourth proportional to 507,579.75, 761,416.61 and 166,025.12 is: 249,053.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,579.75 : 761,416.61 = 166,025.12 : x
  2. Step 2: Convert to fraction form
    507,579.75/761,416.61 = 166,025.12/x
  3. Step 3: Cross multiply
    507,579.75x = 761,416.61 × 166,025.12
  4. Step 4: Simplify right side
    507,579.75x = 126,414,279,408.04
  5. Step 5: Solve for x
    x = 126,414,279,408.04/507,579.75
  6. Step 6: Final answer
    x = 249,053.04

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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.