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Finding the Fourth Proportional to 347,222.96, 520,876.11 and 122,537

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Solution

The fourth proportional to 347,222.96, 520,876.11 and 122,537 is: 183,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,222.96 : 520,876.11 = 122,537 : x
  2. Step 2: Convert to fraction form
    347,222.96/520,876.11 = 122,537/x
  3. Step 3: Cross multiply
    347,222.96x = 520,876.11 × 122,537
  4. Step 4: Simplify right side
    347,222.96x = 63,826,595,891.07
  5. Step 5: Solve for x
    x = 63,826,595,891.07/347,222.96
  6. Step 6: Final answer
    x = 183,820.21

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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.