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Finding the Fourth Proportional to 605,570.24, 835,689.48 and 347,457.44

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Solution

The fourth proportional to 605,570.24, 835,689.48 and 347,457.44 is: 479,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,570.24 : 835,689.48 = 347,457.44 : x
  2. Step 2: Convert to fraction form
    605,570.24/835,689.48 = 347,457.44/x
  3. Step 3: Cross multiply
    605,570.24x = 835,689.48 × 347,457.44
  4. Step 4: Simplify right side
    605,570.24x = 290,366,527,355.73
  5. Step 5: Solve for x
    x = 290,366,527,355.73/605,570.24
  6. Step 6: Final answer
    x = 479,492.73

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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.