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Finding the Fourth Proportional to 310,361.87, 462,826.82 and 307,524.18

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Solution

The fourth proportional to 310,361.87, 462,826.82 and 307,524.18 is: 458,595.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,361.87 : 462,826.82 = 307,524.18 : x
  2. Step 2: Convert to fraction form
    310,361.87/462,826.82 = 307,524.18/x
  3. Step 3: Cross multiply
    310,361.87x = 462,826.82 × 307,524.18
  4. Step 4: Simplify right side
    310,361.87x = 142,330,436,764.89
  5. Step 5: Solve for x
    x = 142,330,436,764.89/310,361.87
  6. Step 6: Final answer
    x = 458,595.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.