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Finding the Fourth Proportional to 546,752.43, 754,551.86 and 305,035.47

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Solution

The fourth proportional to 546,752.43, 754,551.86 and 305,035.47 is: 420,967.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,752.43 : 754,551.86 = 305,035.47 : x
  2. Step 2: Convert to fraction form
    546,752.43/754,551.86 = 305,035.47/x
  3. Step 3: Cross multiply
    546,752.43x = 754,551.86 × 305,035.47
  4. Step 4: Simplify right side
    546,752.43x = 230,165,079,729.30
  5. Step 5: Solve for x
    x = 230,165,079,729.30/546,752.43
  6. Step 6: Final answer
    x = 420,967.64

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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.