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Finding the Fourth Proportional to 406,451.51, 609,736.67 and 195,916.31

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Solution

The fourth proportional to 406,451.51, 609,736.67 and 195,916.31 is: 293,903.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,451.51 : 609,736.67 = 195,916.31 : x
  2. Step 2: Convert to fraction form
    406,451.51/609,736.67 = 195,916.31/x
  3. Step 3: Cross multiply
    406,451.51x = 609,736.67 × 195,916.31
  4. Step 4: Simplify right side
    406,451.51x = 119,457,357,478.51
  5. Step 5: Solve for x
    x = 119,457,357,478.51/406,451.51
  6. Step 6: Final answer
    x = 293,903.10

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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.