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Finding the Fourth Proportional to 308,002.08, 425,049.84 and 180,769.44

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Solution

The fourth proportional to 308,002.08, 425,049.84 and 180,769.44 is: 249,465.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,002.08 : 425,049.84 = 180,769.44 : x
  2. Step 2: Convert to fraction form
    308,002.08/425,049.84 = 180,769.44/x
  3. Step 3: Cross multiply
    308,002.08x = 425,049.84 × 180,769.44
  4. Step 4: Simplify right side
    308,002.08x = 76,836,021,548.89
  5. Step 5: Solve for x
    x = 76,836,021,548.89/308,002.08
  6. Step 6: Final answer
    x = 249,465.92

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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.