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Finding the Fourth Proportional to 404,364.13, 558,022.49 and 225,516.13

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Solution

The fourth proportional to 404,364.13, 558,022.49 and 225,516.13 is: 311,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,364.13 : 558,022.49 = 225,516.13 : x
  2. Step 2: Convert to fraction form
    404,364.13/558,022.49 = 225,516.13/x
  3. Step 3: Cross multiply
    404,364.13x = 558,022.49 × 225,516.13
  4. Step 4: Simplify right side
    404,364.13x = 125,843,072,397.76
  5. Step 5: Solve for x
    x = 125,843,072,397.76/404,364.13
  6. Step 6: Final answer
    x = 311,212.25

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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.