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Finding the Fourth Proportional to 356,606.54, 492,167.42 and 220,684.24

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Solution

The fourth proportional to 356,606.54, 492,167.42 and 220,684.24 is: 304,575.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,606.54 : 492,167.42 = 220,684.24 : x
  2. Step 2: Convert to fraction form
    356,606.54/492,167.42 = 220,684.24/x
  3. Step 3: Cross multiply
    356,606.54x = 492,167.42 × 220,684.24
  4. Step 4: Simplify right side
    356,606.54x = 108,613,593,035.46
  5. Step 5: Solve for x
    x = 108,613,593,035.46/356,606.54
  6. Step 6: Final answer
    x = 304,575.44

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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.