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Finding the Fourth Proportional to 560,704.98, 773,783.37 and 306,065.28

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Solution

The fourth proportional to 560,704.98, 773,783.37 and 306,065.28 is: 422,375.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,704.98 : 773,783.37 = 306,065.28 : x
  2. Step 2: Convert to fraction form
    560,704.98/773,783.37 = 306,065.28/x
  3. Step 3: Cross multiply
    560,704.98x = 773,783.37 × 306,065.28
  4. Step 4: Simplify right side
    560,704.98x = 236,828,223,798.39
  5. Step 5: Solve for x
    x = 236,828,223,798.39/560,704.98
  6. Step 6: Final answer
    x = 422,375.82

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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.