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Finding the Fourth Proportional to 220,676.59, 303,953.60 and 169,591.57

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Solution

The fourth proportional to 220,676.59, 303,953.60 and 169,591.57 is: 233,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,676.59 : 303,953.60 = 169,591.57 : x
  2. Step 2: Convert to fraction form
    220,676.59/303,953.60 = 169,591.57/x
  3. Step 3: Cross multiply
    220,676.59x = 303,953.60 × 169,591.57
  4. Step 4: Simplify right side
    220,676.59x = 51,547,968,231.15
  5. Step 5: Solve for x
    x = 51,547,968,231.15/220,676.59
  6. Step 6: Final answer
    x = 233,590.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.