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Finding the Fourth Proportional to 996,854.90, 1,495,501.05 and 491,657.90

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Solution

The fourth proportional to 996,854.90, 1,495,501.05 and 491,657.90 is: 737,594.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,854.90 : 1,495,501.05 = 491,657.90 : x
  2. Step 2: Convert to fraction form
    996,854.90/1,495,501.05 = 491,657.90/x
  3. Step 3: Cross multiply
    996,854.90x = 1,495,501.05 × 491,657.90
  4. Step 4: Simplify right side
    996,854.90x = 735,274,905,690.80
  5. Step 5: Solve for x
    x = 735,274,905,690.80/996,854.90
  6. Step 6: Final answer
    x = 737,594.71

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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.