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Finding the Fourth Proportional to 404,070.88, 557,609.04 and 234,320.80

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Solution

The fourth proportional to 404,070.88, 557,609.04 and 234,320.80 is: 323,357.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,070.88 : 557,609.04 = 234,320.80 : x
  2. Step 2: Convert to fraction form
    404,070.88/557,609.04 = 234,320.80/x
  3. Step 3: Cross multiply
    404,070.88x = 557,609.04 × 234,320.80
  4. Step 4: Simplify right side
    404,070.88x = 130,659,396,340.03
  5. Step 5: Solve for x
    x = 130,659,396,340.03/404,070.88
  6. Step 6: Final answer
    x = 323,357.62

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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.