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Finding the Fourth Proportional to 455,863.68, 683,824.59 and 175,380.93

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Solution

The fourth proportional to 455,863.68, 683,824.59 and 175,380.93 is: 263,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,863.68 : 683,824.59 = 175,380.93 : x
  2. Step 2: Convert to fraction form
    455,863.68/683,824.59 = 175,380.93/x
  3. Step 3: Cross multiply
    455,863.68x = 683,824.59 × 175,380.93
  4. Step 4: Simplify right side
    455,863.68x = 119,929,792,551.07
  5. Step 5: Solve for x
    x = 119,929,792,551.07/455,863.68
  6. Step 6: Final answer
    x = 263,082.58

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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.