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Finding the Fourth Proportional to 483,300.85, 724,076.48 and 413,316.85

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Solution

The fourth proportional to 483,300.85, 724,076.48 and 413,316.85 is: 619,227.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,300.85 : 724,076.48 = 413,316.85 : x
  2. Step 2: Convert to fraction form
    483,300.85/724,076.48 = 413,316.85/x
  3. Step 3: Cross multiply
    483,300.85x = 724,076.48 × 413,316.85
  4. Step 4: Simplify right side
    483,300.85x = 299,273,007,806.10
  5. Step 5: Solve for x
    x = 299,273,007,806.10/483,300.85
  6. Step 6: Final answer
    x = 619,227.15

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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.