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Finding the Fourth Proportional to 347,019.84, 520,529.76 and 110,363.04

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Solution

The fourth proportional to 347,019.84, 520,529.76 and 110,363.04 is: 165,544.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,019.84 : 520,529.76 = 110,363.04 : x
  2. Step 2: Convert to fraction form
    347,019.84/520,529.76 = 110,363.04/x
  3. Step 3: Cross multiply
    347,019.84x = 520,529.76 × 110,363.04
  4. Step 4: Simplify right side
    347,019.84x = 57,447,246,724.07
  5. Step 5: Solve for x
    x = 57,447,246,724.07/347,019.84
  6. Step 6: Final answer
    x = 165,544.56

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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.