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Finding the Fourth Proportional to 597,638.91, 896,546.60 and 213,357.98

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Solution

The fourth proportional to 597,638.91, 896,546.60 and 213,357.98 is: 320,068.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,638.91 : 896,546.60 = 213,357.98 : x
  2. Step 2: Convert to fraction form
    597,638.91/896,546.60 = 213,357.98/x
  3. Step 3: Cross multiply
    597,638.91x = 896,546.60 × 213,357.98
  4. Step 4: Simplify right side
    597,638.91x = 191,285,366,002.35
  5. Step 5: Solve for x
    x = 191,285,366,002.35/597,638.91
  6. Step 6: Final answer
    x = 320,068.46

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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.