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Finding the Fourth Proportional to 496,775.32, 685,623.75 and 292,761.01

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Solution

The fourth proportional to 496,775.32, 685,623.75 and 292,761.01 is: 404,053.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,775.32 : 685,623.75 = 292,761.01 : x
  2. Step 2: Convert to fraction form
    496,775.32/685,623.75 = 292,761.01/x
  3. Step 3: Cross multiply
    496,775.32x = 685,623.75 × 292,761.01
  4. Step 4: Simplify right side
    496,775.32x = 200,723,901,529.99
  5. Step 5: Solve for x
    x = 200,723,901,529.99/496,775.32
  6. Step 6: Final answer
    x = 404,053.69

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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.