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Finding the Fourth Proportional to 546,589.90, 754,292.10 and 304,872.28

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Solution

The fourth proportional to 546,589.90, 754,292.10 and 304,872.28 is: 420,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,589.90 : 754,292.10 = 304,872.28 : x
  2. Step 2: Convert to fraction form
    546,589.90/754,292.10 = 304,872.28/x
  3. Step 3: Cross multiply
    546,589.90x = 754,292.10 × 304,872.28
  4. Step 4: Simplify right side
    546,589.90x = 229,962,752,312.99
  5. Step 5: Solve for x
    x = 229,962,752,312.99/546,589.90
  6. Step 6: Final answer
    x = 420,722.65

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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.