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Finding the Fourth Proportional to 507,573.81, 700,451.84 and 303,633.32

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Solution

The fourth proportional to 507,573.81, 700,451.84 and 303,633.32 is: 419,013.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,573.81 : 700,451.84 = 303,633.32 : x
  2. Step 2: Convert to fraction form
    507,573.81/700,451.84 = 303,633.32/x
  3. Step 3: Cross multiply
    507,573.81x = 700,451.84 × 303,633.32
  4. Step 4: Simplify right side
    507,573.81x = 212,680,512,658.88
  5. Step 5: Solve for x
    x = 212,680,512,658.88/507,573.81
  6. Step 6: Final answer
    x = 419,013.96

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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.