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Finding the Fourth Proportional to 347,186.40, 520,808.40 and 110,522.40

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Solution

The fourth proportional to 347,186.40, 520,808.40 and 110,522.40 is: 165,792.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,186.40 : 520,808.40 = 110,522.40 : x
  2. Step 2: Convert to fraction form
    347,186.40/520,808.40 = 110,522.40/x
  3. Step 3: Cross multiply
    347,186.40x = 520,808.40 × 110,522.40
  4. Step 4: Simplify right side
    347,186.40x = 57,560,994,308.16
  5. Step 5: Solve for x
    x = 57,560,994,308.16/347,186.40
  6. Step 6: Final answer
    x = 165,792.77

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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.