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Finding the Fourth Proportional to 226,368.48, 339,290.25 and 213,246.48

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Solution

The fourth proportional to 226,368.48, 339,290.25 and 213,246.48 is: 319,622.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,368.48 : 339,290.25 = 213,246.48 : x
  2. Step 2: Convert to fraction form
    226,368.48/339,290.25 = 213,246.48/x
  3. Step 3: Cross multiply
    226,368.48x = 339,290.25 × 213,246.48
  4. Step 4: Simplify right side
    226,368.48x = 72,352,451,510.82
  5. Step 5: Solve for x
    x = 72,352,451,510.82/226,368.48
  6. Step 6: Final answer
    x = 319,622.46

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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.