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Finding the Fourth Proportional to 434,599.56, 651,522.42 and 168,176.70

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Solution

The fourth proportional to 434,599.56, 651,522.42 and 168,176.70 is: 252,119.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,599.56 : 651,522.42 = 168,176.70 : x
  2. Step 2: Convert to fraction form
    434,599.56/651,522.42 = 168,176.70/x
  3. Step 3: Cross multiply
    434,599.56x = 651,522.42 × 168,176.70
  4. Step 4: Simplify right side
    434,599.56x = 109,570,890,571.61
  5. Step 5: Solve for x
    x = 109,570,890,571.61/434,599.56
  6. Step 6: Final answer
    x = 252,119.19

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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.