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Finding the Fourth Proportional to 546,374.42, 754,005.99 and 301,387.29

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Solution

The fourth proportional to 546,374.42, 754,005.99 and 301,387.29 is: 415,919.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,374.42 : 754,005.99 = 301,387.29 : x
  2. Step 2: Convert to fraction form
    546,374.42/754,005.99 = 301,387.29/x
  3. Step 3: Cross multiply
    546,374.42x = 754,005.99 × 301,387.29
  4. Step 4: Simplify right side
    546,374.42x = 227,247,821,969.87
  5. Step 5: Solve for x
    x = 227,247,821,969.87/546,374.42
  6. Step 6: Final answer
    x = 415,919.58

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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.