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Finding the Fourth Proportional to 535,185.54, 738,555.66 and 293,472.21

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Solution

The fourth proportional to 535,185.54, 738,555.66 and 293,472.21 is: 404,991.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,185.54 : 738,555.66 = 293,472.21 : x
  2. Step 2: Convert to fraction form
    535,185.54/738,555.66 = 293,472.21/x
  3. Step 3: Cross multiply
    535,185.54x = 738,555.66 × 293,472.21
  4. Step 4: Simplify right side
    535,185.54x = 216,745,561,748.21
  5. Step 5: Solve for x
    x = 216,745,561,748.21/535,185.54
  6. Step 6: Final answer
    x = 404,991.44

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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.