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Finding the Fourth Proportional to 546,485.88, 754,149 and 304,768.68

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Solution

The fourth proportional to 546,485.88, 754,149 and 304,768.68 is: 420,579.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,485.88 : 754,149 = 304,768.68 : x
  2. Step 2: Convert to fraction form
    546,485.88/754,149 = 304,768.68/x
  3. Step 3: Cross multiply
    546,485.88x = 754,149 × 304,768.68
  4. Step 4: Simplify right side
    546,485.88x = 229,840,995,253.32
  5. Step 5: Solve for x
    x = 229,840,995,253.32/546,485.88
  6. Step 6: Final answer
    x = 420,579.93

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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.