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Finding the Fourth Proportional to 411,725.76, 568,100.80 and 230,445.60

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Solution

The fourth proportional to 411,725.76, 568,100.80 and 230,445.60 is: 317,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,725.76 : 568,100.80 = 230,445.60 : x
  2. Step 2: Convert to fraction form
    411,725.76/568,100.80 = 230,445.60/x
  3. Step 3: Cross multiply
    411,725.76x = 568,100.80 × 230,445.60
  4. Step 4: Simplify right side
    411,725.76x = 130,916,329,716.48
  5. Step 5: Solve for x
    x = 130,916,329,716.48/411,725.76
  6. Step 6: Final answer
    x = 317,969.73

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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.