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Finding the Fourth Proportional to 535,186.15, 738,556.52 and 293,472.84

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Solution

The fourth proportional to 535,186.15, 738,556.52 and 293,472.84 is: 404,992.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,186.15 : 738,556.52 = 293,472.84 : x
  2. Step 2: Convert to fraction form
    535,186.15/738,556.52 = 293,472.84/x
  3. Step 3: Cross multiply
    535,186.15x = 738,556.52 × 293,472.84
  4. Step 4: Simplify right side
    535,186.15x = 216,746,279,424.92
  5. Step 5: Solve for x
    x = 216,746,279,424.92/535,186.15
  6. Step 6: Final answer
    x = 404,992.32

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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.