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Finding the Fourth Proportional to 605,747.61, 909,043.02 and 250,763.49

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Solution

The fourth proportional to 605,747.61, 909,043.02 and 250,763.49 is: 376,319.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,747.61 : 909,043.02 = 250,763.49 : x
  2. Step 2: Convert to fraction form
    605,747.61/909,043.02 = 250,763.49/x
  3. Step 3: Cross multiply
    605,747.61x = 909,043.02 × 250,763.49
  4. Step 4: Simplify right side
    605,747.61x = 227,954,800,255.34
  5. Step 5: Solve for x
    x = 227,954,800,255.34/605,747.61
  6. Step 6: Final answer
    x = 376,319.77

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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.