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Finding the Fourth Proportional to 347,214.96, 520,864.11 and 122,529

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Solution

The fourth proportional to 347,214.96, 520,864.11 and 122,529 is: 183,808.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,214.96 : 520,864.11 = 122,529 : x
  2. Step 2: Convert to fraction form
    347,214.96/520,864.11 = 122,529/x
  3. Step 3: Cross multiply
    347,214.96x = 520,864.11 × 122,529
  4. Step 4: Simplify right side
    347,214.96x = 63,820,958,534.19
  5. Step 5: Solve for x
    x = 63,820,958,534.19/347,214.96
  6. Step 6: Final answer
    x = 183,808.20

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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.