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Finding the Fourth Proportional to 605,574.24, 835,695 and 347,461.44

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Solution

The fourth proportional to 605,574.24, 835,695 and 347,461.44 is: 479,498.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,574.24 : 835,695 = 347,461.44 : x
  2. Step 2: Convert to fraction form
    605,574.24/835,695 = 347,461.44/x
  3. Step 3: Cross multiply
    605,574.24x = 835,695 × 347,461.44
  4. Step 4: Simplify right side
    605,574.24x = 290,371,788,100.80
  5. Step 5: Solve for x
    x = 290,371,788,100.80/605,574.24
  6. Step 6: Final answer
    x = 479,498.25

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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.