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Finding the Fourth Proportional to 406,439.01, 609,717.92 and 195,903.81

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Solution

The fourth proportional to 406,439.01, 609,717.92 and 195,903.81 is: 293,884.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,439.01 : 609,717.92 = 195,903.81 : x
  2. Step 2: Convert to fraction form
    406,439.01/609,717.92 = 195,903.81/x
  3. Step 3: Cross multiply
    406,439.01x = 609,717.92 × 195,903.81
  4. Step 4: Simplify right side
    406,439.01x = 119,446,062,573.76
  5. Step 5: Solve for x
    x = 119,446,062,573.76/406,439.01
  6. Step 6: Final answer
    x = 293,884.35

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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.