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Finding the Fourth Proportional to 535,249.13, 738,644.82 and 293,533.40

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Solution

The fourth proportional to 535,249.13, 738,644.82 and 293,533.40 is: 405,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,249.13 : 738,644.82 = 293,533.40 : x
  2. Step 2: Convert to fraction form
    535,249.13/738,644.82 = 293,533.40/x
  3. Step 3: Cross multiply
    535,249.13x = 738,644.82 × 293,533.40
  4. Step 4: Simplify right side
    535,249.13x = 216,816,925,406.99
  5. Step 5: Solve for x
    x = 216,816,925,406.99/535,249.13
  6. Step 6: Final answer
    x = 405,076.65

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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.