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Finding the Fourth Proportional to 531,792.68, 733,876.18 and 290,080.52

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Solution

The fourth proportional to 531,792.68, 733,876.18 and 290,080.52 is: 400,312.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,792.68 : 733,876.18 = 290,080.52 : x
  2. Step 2: Convert to fraction form
    531,792.68/733,876.18 = 290,080.52/x
  3. Step 3: Cross multiply
    531,792.68x = 733,876.18 × 290,080.52
  4. Step 4: Simplify right side
    531,792.68x = 212,883,183,910.01
  5. Step 5: Solve for x
    x = 212,883,183,910.01/531,792.68
  6. Step 6: Final answer
    x = 400,312.36

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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.