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Finding the Fourth Proportional to 531,774.65, 733,851.32 and 290,062.41

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Solution

The fourth proportional to 531,774.65, 733,851.32 and 290,062.41 is: 400,287.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,774.65 : 733,851.32 = 290,062.41 : x
  2. Step 2: Convert to fraction form
    531,774.65/733,851.32 = 290,062.41/x
  3. Step 3: Cross multiply
    531,774.65x = 733,851.32 × 290,062.41
  4. Step 4: Simplify right side
    531,774.65x = 212,862,682,460.88
  5. Step 5: Solve for x
    x = 212,862,682,460.88/531,774.65
  6. Step 6: Final answer
    x = 400,287.38

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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.