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Finding the Fourth Proportional to 483,180.78, 724,607.13 and 183,589.38

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Solution

The fourth proportional to 483,180.78, 724,607.13 and 183,589.38 is: 275,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,180.78 : 724,607.13 = 183,589.38 : x
  2. Step 2: Convert to fraction form
    483,180.78/724,607.13 = 183,589.38/x
  3. Step 3: Cross multiply
    483,180.78x = 724,607.13 × 183,589.38
  4. Step 4: Simplify right side
    483,180.78x = 133,030,173,740.28
  5. Step 5: Solve for x
    x = 133,030,173,740.28/483,180.78
  6. Step 6: Final answer
    x = 275,321.74

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1.5x scale

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.