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Finding the Fourth Proportional to 546,461.48, 754,121.22 and 304,759.64

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Solution

The fourth proportional to 546,461.48, 754,121.22 and 304,759.64 is: 420,570.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,461.48 : 754,121.22 = 304,759.64 : x
  2. Step 2: Convert to fraction form
    546,461.48/754,121.22 = 304,759.64/x
  3. Step 3: Cross multiply
    546,461.48x = 754,121.22 × 304,759.64
  4. Step 4: Simplify right side
    546,461.48x = 229,825,711,523.56
  5. Step 5: Solve for x
    x = 229,825,711,523.56/546,461.48
  6. Step 6: Final answer
    x = 420,570.74

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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.