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Finding the Fourth Proportional to 289,854.12, 399,829.22 and 182,253.80

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Solution

The fourth proportional to 289,854.12, 399,829.22 and 182,253.80 is: 251,403.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,854.12 : 399,829.22 = 182,253.80 : x
  2. Step 2: Convert to fraction form
    289,854.12/399,829.22 = 182,253.80/x
  3. Step 3: Cross multiply
    289,854.12x = 399,829.22 × 182,253.80
  4. Step 4: Simplify right side
    289,854.12x = 72,870,394,696.04
  5. Step 5: Solve for x
    x = 72,870,394,696.04/289,854.12
  6. Step 6: Final answer
    x = 251,403.69

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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.