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Finding the Fourth Proportional to 331,758.06, 457,812.54 and 186,559.71

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Solution

The fourth proportional to 331,758.06, 457,812.54 and 186,559.71 is: 257,444.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,758.06 : 457,812.54 = 186,559.71 : x
  2. Step 2: Convert to fraction form
    331,758.06/457,812.54 = 186,559.71/x
  3. Step 3: Cross multiply
    331,758.06x = 457,812.54 × 186,559.71
  4. Step 4: Simplify right side
    331,758.06x = 85,409,374,696.76
  5. Step 5: Solve for x
    x = 85,409,374,696.76/331,758.06
  6. Step 6: Final answer
    x = 257,444.76

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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.