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Finding the Fourth Proportional to 431,166.40, 595,028.02 and 240,179.86

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Solution

The fourth proportional to 431,166.40, 595,028.02 and 240,179.86 is: 331,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,166.40 : 595,028.02 = 240,179.86 : x
  2. Step 2: Convert to fraction form
    431,166.40/595,028.02 = 240,179.86/x
  3. Step 3: Cross multiply
    431,166.40x = 595,028.02 × 240,179.86
  4. Step 4: Simplify right side
    431,166.40x = 142,913,746,539.68
  5. Step 5: Solve for x
    x = 142,913,746,539.68/431,166.40
  6. Step 6: Final answer
    x = 331,458.45

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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.