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Finding the Fourth Proportional to 465,529.74, 698,600.83 and 255,315.30

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Solution

The fourth proportional to 465,529.74, 698,600.83 and 255,315.30 is: 383,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,529.74 : 698,600.83 = 255,315.30 : x
  2. Step 2: Convert to fraction form
    465,529.74/698,600.83 = 255,315.30/x
  3. Step 3: Cross multiply
    465,529.74x = 698,600.83 × 255,315.30
  4. Step 4: Simplify right side
    465,529.74x = 178,363,480,491.70
  5. Step 5: Solve for x
    x = 178,363,480,491.70/465,529.74
  6. Step 6: Final answer
    x = 383,140.89

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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.