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Finding the Fourth Proportional to 560,382.15, 773,326.49 and 305,733.36

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Solution

The fourth proportional to 560,382.15, 773,326.49 and 305,733.36 is: 421,911.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,382.15 : 773,326.49 = 305,733.36 : x
  2. Step 2: Convert to fraction form
    560,382.15/773,326.49 = 305,733.36/x
  3. Step 3: Cross multiply
    560,382.15x = 773,326.49 × 305,733.36
  4. Step 4: Simplify right side
    560,382.15x = 236,431,704,636.04
  5. Step 5: Solve for x
    x = 236,431,704,636.04/560,382.15
  6. Step 6: Final answer
    x = 421,911.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.