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Finding the Fourth Proportional to 347,407.94, 521,153.93 and 122,722.38

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Solution

The fourth proportional to 347,407.94, 521,153.93 and 122,722.38 is: 184,098.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,407.94 : 521,153.93 = 122,722.38 : x
  2. Step 2: Convert to fraction form
    347,407.94/521,153.93 = 122,722.38/x
  3. Step 3: Cross multiply
    347,407.94x = 521,153.93 × 122,722.38
  4. Step 4: Simplify right side
    347,407.94x = 63,957,250,942.76
  5. Step 5: Solve for x
    x = 63,957,250,942.76/347,407.94
  6. Step 6: Final answer
    x = 184,098.41

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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.