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Finding the Fourth Proportional to 288,613.46, 398,028.73 and 181,193.51

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Solution

The fourth proportional to 288,613.46, 398,028.73 and 181,193.51 is: 249,885.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,613.46 : 398,028.73 = 181,193.51 : x
  2. Step 2: Convert to fraction form
    288,613.46/398,028.73 = 181,193.51/x
  3. Step 3: Cross multiply
    288,613.46x = 398,028.73 × 181,193.51
  4. Step 4: Simplify right side
    288,613.46x = 72,120,222,669.54
  5. Step 5: Solve for x
    x = 72,120,222,669.54/288,613.46
  6. Step 6: Final answer
    x = 249,885.17

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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.