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Finding the Fourth Proportional to 401,536.98, 554,167.34 and 240,391.94

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Solution

The fourth proportional to 401,536.98, 554,167.34 and 240,391.94 is: 331,768.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,536.98 : 554,167.34 = 240,391.94 : x
  2. Step 2: Convert to fraction form
    401,536.98/554,167.34 = 240,391.94/x
  3. Step 3: Cross multiply
    401,536.98x = 554,167.34 × 240,391.94
  4. Step 4: Simplify right side
    401,536.98x = 133,217,357,974.44
  5. Step 5: Solve for x
    x = 133,217,357,974.44/401,536.98
  6. Step 6: Final answer
    x = 331,768.59

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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.