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Finding the Fourth Proportional to 468,129.74, 702,028.54 and 168,529.88

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Solution

The fourth proportional to 468,129.74, 702,028.54 and 168,529.88 is: 252,735.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,129.74 : 702,028.54 = 168,529.88 : x
  2. Step 2: Convert to fraction form
    468,129.74/702,028.54 = 168,529.88/x
  3. Step 3: Cross multiply
    468,129.74x = 702,028.54 × 168,529.88
  4. Step 4: Simplify right side
    468,129.74x = 118,312,784,014.34
  5. Step 5: Solve for x
    x = 118,312,784,014.34/468,129.74
  6. Step 6: Final answer
    x = 252,735.03

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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.