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Finding the Fourth Proportional to 739,369.72, 1,020,591.66 and 437,563

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Solution

The fourth proportional to 739,369.72, 1,020,591.66 and 437,563 is: 603,991.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,369.72 : 1,020,591.66 = 437,563 : x
  2. Step 2: Convert to fraction form
    739,369.72/1,020,591.66 = 437,563/x
  3. Step 3: Cross multiply
    739,369.72x = 1,020,591.66 × 437,563
  4. Step 4: Simplify right side
    739,369.72x = 446,573,148,524.58
  5. Step 5: Solve for x
    x = 446,573,148,524.58/739,369.72
  6. Step 6: Final answer
    x = 603,991.67

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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.