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Finding the Fourth Proportional to 283,300.80, 424,076.40 and 164,619.60

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Solution

The fourth proportional to 283,300.80, 424,076.40 and 164,619.60 is: 246,421.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,300.80 : 424,076.40 = 164,619.60 : x
  2. Step 2: Convert to fraction form
    283,300.80/424,076.40 = 164,619.60/x
  3. Step 3: Cross multiply
    283,300.80x = 424,076.40 × 164,619.60
  4. Step 4: Simplify right side
    283,300.80x = 69,811,287,337.44
  5. Step 5: Solve for x
    x = 69,811,287,337.44/283,300.80
  6. Step 6: Final answer
    x = 246,421.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.