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Finding the Fourth Proportional to 283,367.40, 424,662.30 and 230,879.40

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Solution

The fourth proportional to 283,367.40, 424,662.30 and 230,879.40 is: 346,002.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,367.40 : 424,662.30 = 230,879.40 : x
  2. Step 2: Convert to fraction form
    283,367.40/424,662.30 = 230,879.40/x
  3. Step 3: Cross multiply
    283,367.40x = 424,662.30 × 230,879.40
  4. Step 4: Simplify right side
    283,367.40x = 98,045,777,026.62
  5. Step 5: Solve for x
    x = 98,045,777,026.62/283,367.40
  6. Step 6: Final answer
    x = 346,002.32

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1.5x scale

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.