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Finding the Fourth Proportional to 356,443.24, 535,500.92 and 336,267.76

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Solution

The fourth proportional to 356,443.24, 535,500.92 and 336,267.76 is: 505,190.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,443.24 : 535,500.92 = 336,267.76 : x
  2. Step 2: Convert to fraction form
    356,443.24/535,500.92 = 336,267.76/x
  3. Step 3: Cross multiply
    356,443.24x = 535,500.92 × 336,267.76
  4. Step 4: Simplify right side
    356,443.24x = 180,071,694,846.34
  5. Step 5: Solve for x
    x = 180,071,694,846.34/356,443.24
  6. Step 6: Final answer
    x = 505,190.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.