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Finding the Fourth Proportional to 494,428.10, 741,642.15 and 334,995.80

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Solution

The fourth proportional to 494,428.10, 741,642.15 and 334,995.80 is: 502,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,428.10 : 741,642.15 = 334,995.80 : x
  2. Step 2: Convert to fraction form
    494,428.10/741,642.15 = 334,995.80/x
  3. Step 3: Cross multiply
    494,428.10x = 741,642.15 × 334,995.80
  4. Step 4: Simplify right side
    494,428.10x = 248,447,005,352.97
  5. Step 5: Solve for x
    x = 248,447,005,352.97/494,428.10
  6. Step 6: Final answer
    x = 502,493.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.