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Finding the Fourth Proportional to 532,379.21, 797,295.74 and 307,056.56

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Solution

The fourth proportional to 532,379.21, 797,295.74 and 307,056.56 is: 459,850.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,379.21 : 797,295.74 = 307,056.56 : x
  2. Step 2: Convert to fraction form
    532,379.21/797,295.74 = 307,056.56/x
  3. Step 3: Cross multiply
    532,379.21x = 797,295.74 × 307,056.56
  4. Step 4: Simplify right side
    532,379.21x = 244,814,884,008.22
  5. Step 5: Solve for x
    x = 244,814,884,008.22/532,379.21
  6. Step 6: Final answer
    x = 459,850.58

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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.