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Finding the Fourth Proportional to 407,659.80, 562,551.75 and 226,383.33

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Solution

The fourth proportional to 407,659.80, 562,551.75 and 226,383.33 is: 312,398.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,659.80 : 562,551.75 = 226,383.33 : x
  2. Step 2: Convert to fraction form
    407,659.80/562,551.75 = 226,383.33/x
  3. Step 3: Cross multiply
    407,659.80x = 562,551.75 × 226,383.33
  4. Step 4: Simplify right side
    407,659.80x = 127,352,338,462.33
  5. Step 5: Solve for x
    x = 127,352,338,462.33/407,659.80
  6. Step 6: Final answer
    x = 312,398.57

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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.