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Finding the Fourth Proportional to 546,437.64, 754,087.24 and 304,735.50

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Solution

The fourth proportional to 546,437.64, 754,087.24 and 304,735.50 is: 420,536.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,437.64 : 754,087.24 = 304,735.50 : x
  2. Step 2: Convert to fraction form
    546,437.64/754,087.24 = 304,735.50/x
  3. Step 3: Cross multiply
    546,437.64x = 754,087.24 × 304,735.50
  4. Step 4: Simplify right side
    546,437.64x = 229,797,152,125.02
  5. Step 5: Solve for x
    x = 229,797,152,125.02/546,437.64
  6. Step 6: Final answer
    x = 420,536.83

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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.