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Finding the Fourth Proportional to 347,205.48, 520,849.82 and 122,519.50

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Solution

The fourth proportional to 347,205.48, 520,849.82 and 122,519.50 is: 183,793.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,205.48 : 520,849.82 = 122,519.50 : x
  2. Step 2: Convert to fraction form
    347,205.48/520,849.82 = 122,519.50/x
  3. Step 3: Cross multiply
    347,205.48x = 520,849.82 × 122,519.50
  4. Step 4: Simplify right side
    347,205.48x = 63,814,259,521.49
  5. Step 5: Solve for x
    x = 63,814,259,521.49/347,205.48
  6. Step 6: Final answer
    x = 183,793.93

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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.