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Finding the Fourth Proportional to 493,440.88, 739,564.86 and 240,342.12

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Solution

The fourth proportional to 493,440.88, 739,564.86 and 240,342.12 is: 360,222.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,440.88 : 739,564.86 = 240,342.12 : x
  2. Step 2: Convert to fraction form
    493,440.88/739,564.86 = 240,342.12/x
  3. Step 3: Cross multiply
    493,440.88x = 739,564.86 × 240,342.12
  4. Step 4: Simplify right side
    493,440.88x = 177,748,586,329.90
  5. Step 5: Solve for x
    x = 177,748,586,329.90/493,440.88
  6. Step 6: Final answer
    x = 360,222.66

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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.