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Finding the Fourth Proportional to 289,884.54, 400,044.76 and 175,147.22

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Solution

The fourth proportional to 289,884.54, 400,044.76 and 175,147.22 is: 241,705.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,884.54 : 400,044.76 = 175,147.22 : x
  2. Step 2: Convert to fraction form
    289,884.54/400,044.76 = 175,147.22/x
  3. Step 3: Cross multiply
    289,884.54x = 400,044.76 × 175,147.22
  4. Step 4: Simplify right side
    289,884.54x = 70,066,727,589.57
  5. Step 5: Solve for x
    x = 70,066,727,589.57/289,884.54
  6. Step 6: Final answer
    x = 241,705.64

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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.