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Finding the Fourth Proportional to 546,754.50, 754,521.68 and 305,037.12

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Solution

The fourth proportional to 546,754.50, 754,521.68 and 305,037.12 is: 420,951.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,754.50 : 754,521.68 = 305,037.12 : x
  2. Step 2: Convert to fraction form
    546,754.50/754,521.68 = 305,037.12/x
  3. Step 3: Cross multiply
    546,754.50x = 754,521.68 × 305,037.12
  4. Step 4: Simplify right side
    546,754.50x = 230,157,118,719.58
  5. Step 5: Solve for x
    x = 230,157,118,719.58/546,754.50
  6. Step 6: Final answer
    x = 420,951.49

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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.