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Finding the Fourth Proportional to 546,753.11, 754,519.77 and 305,035.74

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Solution

The fourth proportional to 546,753.11, 754,519.77 and 305,035.74 is: 420,949.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,753.11 : 754,519.77 = 305,035.74 : x
  2. Step 2: Convert to fraction form
    546,753.11/754,519.77 = 305,035.74/x
  3. Step 3: Cross multiply
    546,753.11x = 754,519.77 × 305,035.74
  4. Step 4: Simplify right side
    546,753.11x = 230,155,496,386.58
  5. Step 5: Solve for x
    x = 230,155,496,386.58/546,753.11
  6. Step 6: Final answer
    x = 420,949.59

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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.