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Finding the Fourth Proportional to 480,279.36, 719,775.04 and 373,791.88

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Solution

The fourth proportional to 480,279.36, 719,775.04 and 373,791.88 is: 560,186.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,279.36 : 719,775.04 = 373,791.88 : x
  2. Step 2: Convert to fraction form
    480,279.36/719,775.04 = 373,791.88/x
  3. Step 3: Cross multiply
    480,279.36x = 719,775.04 × 373,791.88
  4. Step 4: Simplify right side
    480,279.36x = 269,046,065,378.68
  5. Step 5: Solve for x
    x = 269,046,065,378.68/480,279.36
  6. Step 6: Final answer
    x = 560,186.61

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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.