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Finding the Fourth Proportional to 466,327.70, 699,491.55 and 411,215.30

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Solution

The fourth proportional to 466,327.70, 699,491.55 and 411,215.30 is: 616,822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,327.70 : 699,491.55 = 411,215.30 : x
  2. Step 2: Convert to fraction form
    466,327.70/699,491.55 = 411,215.30/x
  3. Step 3: Cross multiply
    466,327.70x = 699,491.55 × 411,215.30
  4. Step 4: Simplify right side
    466,327.70x = 287,641,627,580.72
  5. Step 5: Solve for x
    x = 287,641,627,580.72/466,327.70
  6. Step 6: Final answer
    x = 616,822.95

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Similar ratio
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1.5x scale

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.