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Finding the Fourth Proportional to 560,418.54, 773,577.06 and 330,976.74

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Solution

The fourth proportional to 560,418.54, 773,577.06 and 330,976.74 is: 456,865.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,418.54 : 773,577.06 = 330,976.74 : x
  2. Step 2: Convert to fraction form
    560,418.54/773,577.06 = 330,976.74/x
  3. Step 3: Cross multiply
    560,418.54x = 773,577.06 × 330,976.74
  4. Step 4: Simplify right side
    560,418.54x = 256,036,013,457.58
  5. Step 5: Solve for x
    x = 256,036,013,457.58/560,418.54
  6. Step 6: Final answer
    x = 456,865.71

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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.