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Finding the Fourth Proportional to 507,628.57, 760,907.04 and 170,349.43

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Solution

The fourth proportional to 507,628.57, 760,907.04 and 170,349.43 is: 255,344.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,628.57 : 760,907.04 = 170,349.43 : x
  2. Step 2: Convert to fraction form
    507,628.57/760,907.04 = 170,349.43/x
  3. Step 3: Cross multiply
    507,628.57x = 760,907.04 × 170,349.43
  4. Step 4: Simplify right side
    507,628.57x = 129,620,080,546.99
  5. Step 5: Solve for x
    x = 129,620,080,546.99/507,628.57
  6. Step 6: Final answer
    x = 255,344.34

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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.