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Finding the Fourth Proportional to 404,335.68, 557,628.75 and 323,733.80

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Solution

The fourth proportional to 404,335.68, 557,628.75 and 323,733.80 is: 446,468.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,335.68 : 557,628.75 = 323,733.80 : x
  2. Step 2: Convert to fraction form
    404,335.68/557,628.75 = 323,733.80/x
  3. Step 3: Cross multiply
    404,335.68x = 557,628.75 × 323,733.80
  4. Step 4: Simplify right side
    404,335.68x = 180,523,271,438.61
  5. Step 5: Solve for x
    x = 180,523,271,438.61/404,335.68
  6. Step 6: Final answer
    x = 446,468.81

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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.