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Finding the Fourth Proportional to 517,433.44, 776,279.32 and 180,478.92

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Solution

The fourth proportional to 517,433.44, 776,279.32 and 180,478.92 is: 270,763.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,433.44 : 776,279.32 = 180,478.92 : x
  2. Step 2: Convert to fraction form
    517,433.44/776,279.32 = 180,478.92/x
  3. Step 3: Cross multiply
    517,433.44x = 776,279.32 × 180,478.92
  4. Step 4: Simplify right side
    517,433.44x = 140,102,053,291.93
  5. Step 5: Solve for x
    x = 140,102,053,291.93/517,433.44
  6. Step 6: Final answer
    x = 270,763.43

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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.