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Finding the Fourth Proportional to 613,323.62, 919,932.72 and 373,375.24

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Solution

The fourth proportional to 613,323.62, 919,932.72 and 373,375.24 is: 560,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,323.62 : 919,932.72 = 373,375.24 : x
  2. Step 2: Convert to fraction form
    613,323.62/919,932.72 = 373,375.24/x
  3. Step 3: Cross multiply
    613,323.62x = 919,932.72 × 373,375.24
  4. Step 4: Simplify right side
    613,323.62x = 343,480,101,047.29
  5. Step 5: Solve for x
    x = 343,480,101,047.29/613,323.62
  6. Step 6: Final answer
    x = 560,030.78

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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.