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Finding the Fourth Proportional to 404,669.79, 558,357.71 and 234,812.79

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Solution

The fourth proportional to 404,669.79, 558,357.71 and 234,812.79 is: 323,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,669.79 : 558,357.71 = 234,812.79 : x
  2. Step 2: Convert to fraction form
    404,669.79/558,357.71 = 234,812.79/x
  3. Step 3: Cross multiply
    404,669.79x = 558,357.71 × 234,812.79
  4. Step 4: Simplify right side
    404,669.79x = 131,109,530,529.05
  5. Step 5: Solve for x
    x = 131,109,530,529.05/404,669.79
  6. Step 6: Final answer
    x = 323,991.40

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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.