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Finding the Fourth Proportional to 291,489.65, 402,441.44 and 237,902.48

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Solution

The fourth proportional to 291,489.65, 402,441.44 and 237,902.48 is: 328,457.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,489.65 : 402,441.44 = 237,902.48 : x
  2. Step 2: Convert to fraction form
    291,489.65/402,441.44 = 237,902.48/x
  3. Step 3: Cross multiply
    291,489.65x = 402,441.44 × 237,902.48
  4. Step 4: Simplify right side
    291,489.65x = 95,741,813,429.05
  5. Step 5: Solve for x
    x = 95,741,813,429.05/291,489.65
  6. Step 6: Final answer
    x = 328,457.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.