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Finding the Fourth Proportional to 546,689.88, 754,429.94 and 304,972.26

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Solution

The fourth proportional to 546,689.88, 754,429.94 and 304,972.26 is: 420,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,689.88 : 754,429.94 = 304,972.26 : x
  2. Step 2: Convert to fraction form
    546,689.88/754,429.94 = 304,972.26/x
  3. Step 3: Cross multiply
    546,689.88x = 754,429.94 × 304,972.26
  4. Step 4: Simplify right side
    546,689.88x = 230,080,204,575.90
  5. Step 5: Solve for x
    x = 230,080,204,575.90/546,689.88
  6. Step 6: Final answer
    x = 420,860.55

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1.5x scale

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.