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Finding the Fourth Proportional to 404,969.65, 558,864.02 and 235,203.77

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Solution

The fourth proportional to 404,969.65, 558,864.02 and 235,203.77 is: 324,584.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,969.65 : 558,864.02 = 235,203.77 : x
  2. Step 2: Convert to fraction form
    404,969.65/558,864.02 = 235,203.77/x
  3. Step 3: Cross multiply
    404,969.65x = 558,864.02 × 235,203.77
  4. Step 4: Simplify right side
    404,969.65x = 131,446,924,421.36
  5. Step 5: Solve for x
    x = 131,446,924,421.36/404,969.65
  6. Step 6: Final answer
    x = 324,584.63

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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.