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Finding the Fourth Proportional to 462,624.68, 693,571.29 and 303,690.53

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Solution

The fourth proportional to 462,624.68, 693,571.29 and 303,690.53 is: 455,295.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,624.68 : 693,571.29 = 303,690.53 : x
  2. Step 2: Convert to fraction form
    462,624.68/693,571.29 = 303,690.53/x
  3. Step 3: Cross multiply
    462,624.68x = 693,571.29 × 303,690.53
  4. Step 4: Simplify right side
    462,624.68x = 210,631,032,652.88
  5. Step 5: Solve for x
    x = 210,631,032,652.88/462,624.68
  6. Step 6: Final answer
    x = 455,295.71

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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.