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Finding the Fourth Proportional to 308,680.29, 463,038.36 and 119,141.73

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Solution

The fourth proportional to 308,680.29, 463,038.36 and 119,141.73 is: 178,719.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,680.29 : 463,038.36 = 119,141.73 : x
  2. Step 2: Convert to fraction form
    308,680.29/463,038.36 = 119,141.73/x
  3. Step 3: Cross multiply
    308,680.29x = 463,038.36 × 119,141.73
  4. Step 4: Simplify right side
    308,680.29x = 55,167,191,266.76
  5. Step 5: Solve for x
    x = 55,167,191,266.76/308,680.29
  6. Step 6: Final answer
    x = 178,719.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.