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Finding the Fourth Proportional to 289,130.88, 398,924.76 and 166,593.24

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Solution

The fourth proportional to 289,130.88, 398,924.76 and 166,593.24 is: 229,854.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,130.88 : 398,924.76 = 166,593.24 : x
  2. Step 2: Convert to fraction form
    289,130.88/398,924.76 = 166,593.24/x
  3. Step 3: Cross multiply
    289,130.88x = 398,924.76 × 166,593.24
  4. Step 4: Simplify right side
    289,130.88x = 66,458,168,284.62
  5. Step 5: Solve for x
    x = 66,458,168,284.62/289,130.88
  6. Step 6: Final answer
    x = 229,854.96

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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.