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Finding the Fourth Proportional to 403,967.53, 605,765.06 and 119,556.38

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Solution

The fourth proportional to 403,967.53, 605,765.06 and 119,556.38 is: 179,279.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,967.53 : 605,765.06 = 119,556.38 : x
  2. Step 2: Convert to fraction form
    403,967.53/605,765.06 = 119,556.38/x
  3. Step 3: Cross multiply
    403,967.53x = 605,765.06 × 119,556.38
  4. Step 4: Simplify right side
    403,967.53x = 72,423,077,029.08
  5. Step 5: Solve for x
    x = 72,423,077,029.08/403,967.53
  6. Step 6: Final answer
    x = 179,279.45

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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.