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Finding the Fourth Proportional to 546,603.53, 754,314.02 and 304,879.88

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Solution

The fourth proportional to 546,603.53, 754,314.02 and 304,879.88 is: 420,734.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,603.53 : 754,314.02 = 304,879.88 : x
  2. Step 2: Convert to fraction form
    546,603.53/754,314.02 = 304,879.88/x
  3. Step 3: Cross multiply
    546,603.53x = 754,314.02 × 304,879.88
  4. Step 4: Simplify right side
    546,603.53x = 229,975,162,603.95
  5. Step 5: Solve for x
    x = 229,975,162,603.95/546,603.53
  6. Step 6: Final answer
    x = 420,734.87

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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.