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Finding the Fourth Proportional to 397,330.56, 595,771.20 and 363,437.64

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Solution

The fourth proportional to 397,330.56, 595,771.20 and 363,437.64 is: 544,950.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,330.56 : 595,771.20 = 363,437.64 : x
  2. Step 2: Convert to fraction form
    397,330.56/595,771.20 = 363,437.64/x
  3. Step 3: Cross multiply
    397,330.56x = 595,771.20 × 363,437.64
  4. Step 4: Simplify right side
    397,330.56x = 216,525,678,907.97
  5. Step 5: Solve for x
    x = 216,525,678,907.97/397,330.56
  6. Step 6: Final answer
    x = 544,950.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.