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Finding the Fourth Proportional to 535,709.36, 739,776.84 and 345,050.48

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Solution

The fourth proportional to 535,709.36, 739,776.84 and 345,050.48 is: 476,490.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,709.36 : 739,776.84 = 345,050.48 : x
  2. Step 2: Convert to fraction form
    535,709.36/739,776.84 = 345,050.48/x
  3. Step 3: Cross multiply
    535,709.36x = 739,776.84 × 345,050.48
  4. Step 4: Simplify right side
    535,709.36x = 255,260,353,734.88
  5. Step 5: Solve for x
    x = 255,260,353,734.88/535,709.36
  6. Step 6: Final answer
    x = 476,490.37

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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.