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Finding the Fourth Proportional to 411,727.76, 568,103.56 and 230,447.60

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Solution

The fourth proportional to 411,727.76, 568,103.56 and 230,447.60 is: 317,972.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,727.76 : 568,103.56 = 230,447.60 : x
  2. Step 2: Convert to fraction form
    411,727.76/568,103.56 = 230,447.60/x
  3. Step 3: Cross multiply
    411,727.76x = 568,103.56 × 230,447.60
  4. Step 4: Simplify right side
    411,727.76x = 130,918,101,953.46
  5. Step 5: Solve for x
    x = 130,918,101,953.46/411,727.76
  6. Step 6: Final answer
    x = 317,972.49

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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.