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Finding the Fourth Proportional to 560,572.92, 773,607.06 and 305,940.42

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Solution

The fourth proportional to 560,572.92, 773,607.06 and 305,940.42 is: 422,206.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,572.92 : 773,607.06 = 305,940.42 : x
  2. Step 2: Convert to fraction form
    560,572.92/773,607.06 = 305,940.42/x
  3. Step 3: Cross multiply
    560,572.92x = 773,607.06 × 305,940.42
  4. Step 4: Simplify right side
    560,572.92x = 236,677,668,851.37
  5. Step 5: Solve for x
    x = 236,677,668,851.37/560,572.92
  6. Step 6: Final answer
    x = 422,206.75

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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.