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Finding the Fourth Proportional to 843,392.10, 1,163,894.22 and 461,425.26

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Solution

The fourth proportional to 843,392.10, 1,163,894.22 and 461,425.26 is: 636,774.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,392.10 : 1,163,894.22 = 461,425.26 : x
  2. Step 2: Convert to fraction form
    843,392.10/1,163,894.22 = 461,425.26/x
  3. Step 3: Cross multiply
    843,392.10x = 1,163,894.22 × 461,425.26
  4. Step 4: Simplify right side
    843,392.10x = 537,050,193,076.00
  5. Step 5: Solve for x
    x = 537,050,193,076.00/843,392.10
  6. Step 6: Final answer
    x = 636,774.04

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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.