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Finding the Fourth Proportional to 282,983.32, 424,372.26 and 154,994.68

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Solution

The fourth proportional to 282,983.32, 424,372.26 and 154,994.68 is: 232,435.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,983.32 : 424,372.26 = 154,994.68 : x
  2. Step 2: Convert to fraction form
    282,983.32/424,372.26 = 154,994.68/x
  3. Step 3: Cross multiply
    282,983.32x = 424,372.26 × 154,994.68
  4. Step 4: Simplify right side
    282,983.32x = 65,775,442,639.58
  5. Step 5: Solve for x
    x = 65,775,442,639.58/282,983.32
  6. Step 6: Final answer
    x = 232,435.76

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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.