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Finding the Fourth Proportional to 552,880.91, 762,683.03 and 380,499.60

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Solution

The fourth proportional to 552,880.91, 762,683.03 and 380,499.60 is: 524,888.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,880.91 : 762,683.03 = 380,499.60 : x
  2. Step 2: Convert to fraction form
    552,880.91/762,683.03 = 380,499.60/x
  3. Step 3: Cross multiply
    552,880.91x = 762,683.03 × 380,499.60
  4. Step 4: Simplify right side
    552,880.91x = 290,200,585,939.29
  5. Step 5: Solve for x
    x = 290,200,585,939.29/552,880.91
  6. Step 6: Final answer
    x = 524,888.06

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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.