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Finding the Fourth Proportional to 411,390.58, 567,771.59 and 230,112.58

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Solution

The fourth proportional to 411,390.58, 567,771.59 and 230,112.58 is: 317,584.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,390.58 : 567,771.59 = 230,112.58 : x
  2. Step 2: Convert to fraction form
    411,390.58/567,771.59 = 230,112.58/x
  3. Step 3: Cross multiply
    411,390.58x = 567,771.59 × 230,112.58
  4. Step 4: Simplify right side
    411,390.58x = 130,651,385,425.60
  5. Step 5: Solve for x
    x = 130,651,385,425.60/411,390.58
  6. Step 6: Final answer
    x = 317,584.78

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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.