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Finding the Fourth Proportional to 699,671.74, 965,461.08 and 441,451.30

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Solution

The fourth proportional to 699,671.74, 965,461.08 and 441,451.30 is: 609,148.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,671.74 : 965,461.08 = 441,451.30 : x
  2. Step 2: Convert to fraction form
    699,671.74/965,461.08 = 441,451.30/x
  3. Step 3: Cross multiply
    699,671.74x = 965,461.08 × 441,451.30
  4. Step 4: Simplify right side
    699,671.74x = 426,204,048,865.40
  5. Step 5: Solve for x
    x = 426,204,048,865.40/699,671.74
  6. Step 6: Final answer
    x = 609,148.58

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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.