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Finding the Fourth Proportional to 552,065.92, 761,309.76 and 350,512

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Solution

The fourth proportional to 552,065.92, 761,309.76 and 350,512 is: 483,362.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,065.92 : 761,309.76 = 350,512 : x
  2. Step 2: Convert to fraction form
    552,065.92/761,309.76 = 350,512/x
  3. Step 3: Cross multiply
    552,065.92x = 761,309.76 × 350,512
  4. Step 4: Simplify right side
    552,065.92x = 266,848,206,597.12
  5. Step 5: Solve for x
    x = 266,848,206,597.12/552,065.92
  6. Step 6: Final answer
    x = 483,362.94

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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.