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Finding the Fourth Proportional to 560,477.27, 773,477.30 and 305,842.43

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Solution

The fourth proportional to 560,477.27, 773,477.30 and 305,842.43 is: 422,072.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,477.27 : 773,477.30 = 305,842.43 : x
  2. Step 2: Convert to fraction form
    560,477.27/773,477.30 = 305,842.43/x
  3. Step 3: Cross multiply
    560,477.27x = 773,477.30 × 305,842.43
  4. Step 4: Simplify right side
    560,477.27x = 236,562,176,981.84
  5. Step 5: Solve for x
    x = 236,562,176,981.84/560,477.27
  6. Step 6: Final answer
    x = 422,072.74

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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.