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Finding the Fourth Proportional to 434,601.56, 651,525.42 and 168,178.70

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Solution

The fourth proportional to 434,601.56, 651,525.42 and 168,178.70 is: 252,122.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,601.56 : 651,525.42 = 168,178.70 : x
  2. Step 2: Convert to fraction form
    434,601.56/651,525.42 = 168,178.70/x
  3. Step 3: Cross multiply
    434,601.56x = 651,525.42 × 168,178.70
  4. Step 4: Simplify right side
    434,601.56x = 109,572,698,152.55
  5. Step 5: Solve for x
    x = 109,572,698,152.55/434,601.56
  6. Step 6: Final answer
    x = 252,122.19

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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.