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Finding the Fourth Proportional to 424,762.14, 586,171.84 and 231,170.60

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Solution

The fourth proportional to 424,762.14, 586,171.84 and 231,170.60 is: 319,015.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,762.14 : 586,171.84 = 231,170.60 : x
  2. Step 2: Convert to fraction form
    424,762.14/586,171.84 = 231,170.60/x
  3. Step 3: Cross multiply
    424,762.14x = 586,171.84 × 231,170.60
  4. Step 4: Simplify right side
    424,762.14x = 135,505,696,843.41
  5. Step 5: Solve for x
    x = 135,505,696,843.41/424,762.14
  6. Step 6: Final answer
    x = 319,015.48

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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.