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Finding the Fourth Proportional to 1,663,815.86, 2,495,723.78 and 541,884.86

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Solution

The fourth proportional to 1,663,815.86, 2,495,723.78 and 541,884.86 is: 812,827.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,815.86 : 2,495,723.78 = 541,884.86 : x
  2. Step 2: Convert to fraction form
    1,663,815.86/2,495,723.78 = 541,884.86/x
  3. Step 3: Cross multiply
    1,663,815.86x = 2,495,723.78 × 541,884.86
  4. Step 4: Simplify right side
    1,663,815.86x = 1,352,394,920,000.06
  5. Step 5: Solve for x
    x = 1,352,394,920,000.06/1,663,815.86
  6. Step 6: Final answer
    x = 812,827.28

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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.