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Finding the Fourth Proportional to 517,755.24, 776,934.72 and 218,217.24

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Solution

The fourth proportional to 517,755.24, 776,934.72 and 218,217.24 is: 327,453.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,755.24 : 776,934.72 = 218,217.24 : x
  2. Step 2: Convert to fraction form
    517,755.24/776,934.72 = 218,217.24/x
  3. Step 3: Cross multiply
    517,755.24x = 776,934.72 × 218,217.24
  4. Step 4: Simplify right side
    517,755.24x = 169,540,550,258.57
  5. Step 5: Solve for x
    x = 169,540,550,258.57/517,755.24
  6. Step 6: Final answer
    x = 327,453.08

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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.