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Finding the Fourth Proportional to 554,951.70, 832,427.55 and 199,977.30

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Solution

The fourth proportional to 554,951.70, 832,427.55 and 199,977.30 is: 299,965.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,951.70 : 832,427.55 = 199,977.30 : x
  2. Step 2: Convert to fraction form
    554,951.70/832,427.55 = 199,977.30/x
  3. Step 3: Cross multiply
    554,951.70x = 832,427.55 × 199,977.30
  4. Step 4: Simplify right side
    554,951.70x = 166,466,613,894.62
  5. Step 5: Solve for x
    x = 166,466,613,894.62/554,951.70
  6. Step 6: Final answer
    x = 299,965.95

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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.