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Finding the Fourth Proportional to 578,135.85, 797,732.30 and 363,122.76

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Solution

The fourth proportional to 578,135.85, 797,732.30 and 363,122.76 is: 501,049.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,135.85 : 797,732.30 = 363,122.76 : x
  2. Step 2: Convert to fraction form
    578,135.85/797,732.30 = 363,122.76/x
  3. Step 3: Cross multiply
    578,135.85x = 797,732.30 × 363,122.76
  4. Step 4: Simplify right side
    578,135.85x = 289,674,756,373.89
  5. Step 5: Solve for x
    x = 289,674,756,373.89/578,135.85
  6. Step 6: Final answer
    x = 501,049.64

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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.