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Finding the Fourth Proportional to 357,529.24, 536,290.90 and 144,293.88

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Solution

The fourth proportional to 357,529.24, 536,290.90 and 144,293.88 is: 216,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,529.24 : 536,290.90 = 144,293.88 : x
  2. Step 2: Convert to fraction form
    357,529.24/536,290.90 = 144,293.88/x
  3. Step 3: Cross multiply
    357,529.24x = 536,290.90 × 144,293.88
  4. Step 4: Simplify right side
    357,529.24x = 77,383,494,769.69
  5. Step 5: Solve for x
    x = 77,383,494,769.69/357,529.24
  6. Step 6: Final answer
    x = 216,439.63

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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.