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Finding the Fourth Proportional to 888,884, 1,333,464.52 and 289,706.12

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Solution

The fourth proportional to 888,884, 1,333,464.52 and 289,706.12 is: 434,604.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,884 : 1,333,464.52 = 289,706.12 : x
  2. Step 2: Convert to fraction form
    888,884/1,333,464.52 = 289,706.12/x
  3. Step 3: Cross multiply
    888,884x = 1,333,464.52 × 289,706.12
  4. Step 4: Simplify right side
    888,884x = 386,312,832,246.86
  5. Step 5: Solve for x
    x = 386,312,832,246.86/888,884
  6. Step 6: Final answer
    x = 434,604.33

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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.