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Finding the Fourth Proportional to 531,457.29, 796,439.93 and 290,952.90

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Solution

The fourth proportional to 531,457.29, 796,439.93 and 290,952.90 is: 436,020.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,457.29 : 796,439.93 = 290,952.90 : x
  2. Step 2: Convert to fraction form
    531,457.29/796,439.93 = 290,952.90/x
  3. Step 3: Cross multiply
    531,457.29x = 796,439.93 × 290,952.90
  4. Step 4: Simplify right side
    531,457.29x = 231,726,505,854.53
  5. Step 5: Solve for x
    x = 231,726,505,854.53/531,457.29
  6. Step 6: Final answer
    x = 436,020.94

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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.