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Finding the Fourth Proportional to 557,477.70, 836,216.55 and 202,503.30

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Solution

The fourth proportional to 557,477.70, 836,216.55 and 202,503.30 is: 303,754.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,477.70 : 836,216.55 = 202,503.30 : x
  2. Step 2: Convert to fraction form
    557,477.70/836,216.55 = 202,503.30/x
  3. Step 3: Cross multiply
    557,477.70x = 836,216.55 × 202,503.30
  4. Step 4: Simplify right side
    557,477.70x = 169,336,610,889.62
  5. Step 5: Solve for x
    x = 169,336,610,889.62/557,477.70
  6. Step 6: Final answer
    x = 303,754.95

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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.