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Finding the Fourth Proportional to 546,589.72, 754,291.84 and 304,872.11

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Solution

The fourth proportional to 546,589.72, 754,291.84 and 304,872.11 is: 420,722.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,589.72 : 754,291.84 = 304,872.11 : x
  2. Step 2: Convert to fraction form
    546,589.72/754,291.84 = 304,872.11/x
  3. Step 3: Cross multiply
    546,589.72x = 754,291.84 × 304,872.11
  4. Step 4: Simplify right side
    546,589.72x = 229,962,544,816.58
  5. Step 5: Solve for x
    x = 229,962,544,816.58/546,589.72
  6. Step 6: Final answer
    x = 420,722.41

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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.