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Finding the Fourth Proportional to 308,145.96, 425,244.24 and 180,823.68

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Solution

The fourth proportional to 308,145.96, 425,244.24 and 180,823.68 is: 249,538.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,145.96 : 425,244.24 = 180,823.68 : x
  2. Step 2: Convert to fraction form
    308,145.96/425,244.24 = 180,823.68/x
  3. Step 3: Cross multiply
    308,145.96x = 425,244.24 × 180,823.68
  4. Step 4: Simplify right side
    308,145.96x = 76,894,228,375.60
  5. Step 5: Solve for x
    x = 76,894,228,375.60/308,145.96
  6. Step 6: Final answer
    x = 249,538.33

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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.