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Finding the Fourth Proportional to 833,894.16, 1,150,774.88 and 451,920.96

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Solution

The fourth proportional to 833,894.16, 1,150,774.88 and 451,920.96 is: 623,651.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,894.16 : 1,150,774.88 = 451,920.96 : x
  2. Step 2: Convert to fraction form
    833,894.16/1,150,774.88 = 451,920.96/x
  3. Step 3: Cross multiply
    833,894.16x = 1,150,774.88 × 451,920.96
  4. Step 4: Simplify right side
    833,894.16x = 520,059,288,513.49
  5. Step 5: Solve for x
    x = 520,059,288,513.49/833,894.16
  6. Step 6: Final answer
    x = 623,651.43

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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.