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Finding the Fourth Proportional to 517,620.98, 776,185.13 and 180,620.69

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Solution

The fourth proportional to 517,620.98, 776,185.13 and 180,620.69 is: 270,845.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,620.98 : 776,185.13 = 180,620.69 : x
  2. Step 2: Convert to fraction form
    517,620.98/776,185.13 = 180,620.69/x
  3. Step 3: Cross multiply
    517,620.98x = 776,185.13 × 180,620.69
  4. Step 4: Simplify right side
    517,620.98x = 140,195,090,318.97
  5. Step 5: Solve for x
    x = 140,195,090,318.97/517,620.98
  6. Step 6: Final answer
    x = 270,845.07

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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.