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Finding the Fourth Proportional to 829,455.83, 1,144,375.31 and 676,230.60

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Solution

The fourth proportional to 829,455.83, 1,144,375.31 and 676,230.60 is: 932,975.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,455.83 : 1,144,375.31 = 676,230.60 : x
  2. Step 2: Convert to fraction form
    829,455.83/1,144,375.31 = 676,230.60/x
  3. Step 3: Cross multiply
    829,455.83x = 1,144,375.31 × 676,230.60
  4. Step 4: Simplify right side
    829,455.83x = 773,861,596,638.28
  5. Step 5: Solve for x
    x = 773,861,596,638.28/829,455.83
  6. Step 6: Final answer
    x = 932,975.05

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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.