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Finding the Fourth Proportional to 456,232.39, 629,391.43 and 295,139.39

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Solution

The fourth proportional to 456,232.39, 629,391.43 and 295,139.39 is: 407,156.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,232.39 : 629,391.43 = 295,139.39 : x
  2. Step 2: Convert to fraction form
    456,232.39/629,391.43 = 295,139.39/x
  3. Step 3: Cross multiply
    456,232.39x = 629,391.43 × 295,139.39
  4. Step 4: Simplify right side
    456,232.39x = 185,758,198,098.77
  5. Step 5: Solve for x
    x = 185,758,198,098.77/456,232.39
  6. Step 6: Final answer
    x = 407,156.98

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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.