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Finding the Fourth Proportional to 996,147.96, 1,493,703.12 and 356,205

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Solution

The fourth proportional to 996,147.96, 1,493,703.12 and 356,205 is: 534,121.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,147.96 : 1,493,703.12 = 356,205 : x
  2. Step 2: Convert to fraction form
    996,147.96/1,493,703.12 = 356,205/x
  3. Step 3: Cross multiply
    996,147.96x = 1,493,703.12 × 356,205
  4. Step 4: Simplify right side
    996,147.96x = 532,064,519,859.60
  5. Step 5: Solve for x
    x = 532,064,519,859.60/996,147.96
  6. Step 6: Final answer
    x = 534,121.98

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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.