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Finding the Fourth Proportional to 406,614.76, 609,922.02 and 196,662.76

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Solution

The fourth proportional to 406,614.76, 609,922.02 and 196,662.76 is: 294,994.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,614.76 : 609,922.02 = 196,662.76 : x
  2. Step 2: Convert to fraction form
    406,614.76/609,922.02 = 196,662.76/x
  3. Step 3: Cross multiply
    406,614.76x = 609,922.02 × 196,662.76
  4. Step 4: Simplify right side
    406,614.76x = 119,948,947,837.98
  5. Step 5: Solve for x
    x = 119,948,947,837.98/406,614.76
  6. Step 6: Final answer
    x = 294,994.08

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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.