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Finding the Fourth Proportional to 702,624.53, 969,621.05 and 380,334.53

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Solution

The fourth proportional to 702,624.53, 969,621.05 and 380,334.53 is: 524,861.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,624.53 : 969,621.05 = 380,334.53 : x
  2. Step 2: Convert to fraction form
    702,624.53/969,621.05 = 380,334.53/x
  3. Step 3: Cross multiply
    702,624.53x = 969,621.05 × 380,334.53
  4. Step 4: Simplify right side
    702,624.53x = 368,780,369,704.75
  5. Step 5: Solve for x
    x = 368,780,369,704.75/702,624.53
  6. Step 6: Final answer
    x = 524,861.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.