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Finding the Fourth Proportional to 408,715.56, 613,066.19 and 183,916.89

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Solution

The fourth proportional to 408,715.56, 613,066.19 and 183,916.89 is: 275,872.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,715.56 : 613,066.19 = 183,916.89 : x
  2. Step 2: Convert to fraction form
    408,715.56/613,066.19 = 183,916.89/x
  3. Step 3: Cross multiply
    408,715.56x = 613,066.19 × 183,916.89
  4. Step 4: Simplify right side
    408,715.56x = 112,753,226,109.37
  5. Step 5: Solve for x
    x = 112,753,226,109.37/408,715.56
  6. Step 6: Final answer
    x = 275,872.12

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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.