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Finding the Fourth Proportional to 334,704.45, 462,085.31 and 253,990.79

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Solution

The fourth proportional to 334,704.45, 462,085.31 and 253,990.79 is: 350,653.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,704.45 : 462,085.31 = 253,990.79 : x
  2. Step 2: Convert to fraction form
    334,704.45/462,085.31 = 253,990.79/x
  3. Step 3: Cross multiply
    334,704.45x = 462,085.31 × 253,990.79
  4. Step 4: Simplify right side
    334,704.45x = 117,365,411,562.97
  5. Step 5: Solve for x
    x = 117,365,411,562.97/334,704.45
  6. Step 6: Final answer
    x = 350,653.87

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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.